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Physical phenomenon
Quantum reflection is a uniquely quantum phenomenon in which an object, such as a neutron or a small molecule, reflects smoothly and in a wavelike fashion
Quantum_reflection
Mirror-like wave reflection
Specular reflection, or regular reflection, is the mirror-like reflection of waves, such as light, from a surface. The law of reflection states that a
Specular_reflection
Device reflecting neutral atoms
the attracting tails of the van der Waals attraction (see quantum reflection). Such reflection is efficient when the normal component of the wavenumber
Atomic_mirror
"Bouncing back" of waves at an interface
Common examples include the reflection of light, sound and water waves. The law of reflection says that for specular reflection (for example at a mirror)
Reflection_(physics)
surface has narrow ridges. Various estimates for the efficiency of quantum reflection of waves from ridged mirror were discussed in the literature. All
Ridged_mirror
Notation for conserved quantities in physics and chemistry
In quantum physics and chemistry, quantum numbers are quantities that characterize the possible states of the system. To fully specify the state of the
Quantum_number
Diffraction using small incidence angles
atoms (and ions) can also be waves is used to diffract from surfaces. Quantum reflection, where very low kinetic energy atoms or molecules are diffracted (reflected)
Grazing_incidence_diffraction
Property of photosensitive devices
photons/sec}}}={\frac {\text{EQE}}{\text{1-Reflection-Transmission}}}} The external quantum efficiency therefore depends on both the absorption
Quantum_efficiency
Non-mathematical introduction
Quantum mechanics is the study of matter and matter's interactions with energy on the scale of atomic and subatomic particles. By contrast, classical
Introduction to quantum mechanics
Introduction_to_quantum_mechanics
Theoretical framework in physics
theoretical physics, quantum field theory (QFT) is a theoretical framework that combines field theory, special relativity and quantum mechanics. QFT is used
Quantum_field_theory
Quantum mechanical phenomenon
In physics, quantum tunnelling, barrier penetration, or simply tunnelling is a quantum mechanical phenomenon in which an object such as an electron or
Quantum_tunnelling
Quantum search algorithm
In quantum computing, Grover's algorithm, also known as the quantum search algorithm, is a quantum algorithm for unstructured search that finds with high
Grover's_algorithm
Quantum algorithm
Perform a reflection through | B ⟩ {\displaystyle |B\rangle } Perform a reflection through | U ⟩ {\displaystyle |U\rangle } Measure the first quantum register
Quantum_walk_search
Scattering process at the normal-metal-superconductor interface
of differing coercivity. Crossed Andreev reflection occurs in competition with elastic cotunneling, the quantum mechanical tunneling of electrons between
Andreev_reflection
American mathematician (born 1937)
of reflection positivity to establish its results, which has since become common practice among researchers studying phase transitions in quantum field
Arthur_Jaffe
Device to determine relative phase shift
being used in a range of research topics efforts especially in fundamental quantum mechanics. The Mach–Zehnder interferometer is a highly configurable instrument
Mach–Zehnder_interferometer
Area of physical and philosophical debate
interpretation of quantum mechanics is an attempt to explain how the mathematical theory of quantum mechanics might correspond to experienced reality. Quantum mechanics
Interpretations of quantum mechanics
Interpretations_of_quantum_mechanics
Mathematical description of quantum state
In quantum mechanics, a wave function (or wavefunction) is a mathematical description of the quantum state of an isolated quantum system. The most common
Wave_function
Beams of atom matter waves with optical properties
realized. Atom interferometer Atomic nanoscope Electron microscope Quantum reflection "Atomwave.org, RMP Article, Cronin Group Research, Atomic and Optical
Atom_optics
Complete reflection of a wave
quantum interpretations, has continued into the 21st century. An Indian triggerfish and its total reflection in the water's surface Total reflection of
Total_internal_reflection
Department of the University of Electro Communications, located near Tokyo, Japan
quantum reflection of cold excited neon atoms from silicon surfaces. The institute has also performed the first experiments with quantum reflection of
Institute_for_Laser_Science
Quantum mechanical waves describing matter
non-destructively. Quantum reflection uses matter wave behavior to explain grazing angle atomic reflection, the basis of some atomic mirrors. Quantum decoherence
Matter_wave
Idealised system for theoretical analysis
alternates between free motion (typically as a straight line) and specular reflections from a boundary. When the particle hits the boundary it reflects from
Dynamical_billiards
Fringe hypothesis
The quantum mind or quantum consciousness is a group of hypotheses proposing that local physical laws and interactions from classical mechanics or connections
Quantum_mind
Interaction of a quantum system with a classical observer
In quantum physics, a measurement is the testing or manipulation of a physical system to yield a numerical result. A fundamental feature of quantum theory
Measurement in quantum mechanics
Measurement_in_quantum_mechanics
Euclidean Wightman distributions
In quantum field theory, the Wightman distributions can be analytically continued to analytic functions in Euclidean space with the domain restricted
Schwinger_function
Optical device which splits a beam of light in two
the other half is transmitted due to FTIR (frustrated total internal reflection). Polarizing beam splitters, such as the Wollaston prism, use birefringent
Beam_splitter
of quantum mechanics is a fundamental part of the history of modern physics. The major chapters of this history begin with the emergence of quantum ideas
History_of_quantum_mechanics
Converting classical mechanics to quantum mechanics
equations into quantum wave equations. The companion concept of second quantization converts classical field equations in to quantum field equations
First_quantization
System in quantum mechanics
In quantum mechanics and scattering theory, the one-dimensional step potential is an idealized system used to model incident, reflected and transmitted
Step_potential
Quantum measurement phenomenon
In quantum mechanics, frequent measurements cause the quantum Zeno effect, a reduction in transitions away from the system's initial state, slowing a system's
Quantum_Zeno_effect
Foundational principle in quantum physics
known as Heisenberg's indeterminacy principle, is a fundamental concept in quantum mechanics. It states that there is a limit to the precision with which
Uncertainty_principle
Branch of physics that studies light
requires quantum mechanics. When considering light's particle-like properties, the light is modelled as a collection of particles called "photons". Quantum optics
Optics
Secure communication method
Quantum key distribution (QKD) is a secure communication method that implements a cryptographic protocol based on the laws of quantum mechanics, specifically
Quantum_key_distribution
Fundamental mechanical principles
principles are fundamental to physics, from classical mechanics through quantum mechanics, particle physics, and general relativity. Action principles
Action_principles
Study of the relations between thermodynamics and quantum mechanics
Quantum thermodynamics is the study of the relations between two independent physical theories: thermodynamics and quantum mechanics. The two independent
Quantum_thermodynamics
Scientific subjects
thermodynamics and statistical mechanics; electromagnetism; relativity; quantum mechanics, atomic physics, and molecular physics; optics and acoustics;
Branches_of_physics
Branch of physics seeking to explain chaotic dynamical systems in terms of quantum theory
discrete symmetries (such as parity conservation from reflection symmetry). However, if we merely find quantum solutions of a Hamiltonian which is not approachable
Quantum_chaos
Topic in mathematical physics
Axiomatic quantum field theory is a mathematical discipline which aims to describe quantum field theory in terms of rigorous axioms. It is strongly associated
Axiomatic quantum field theory
Axiomatic_quantum_field_theory
Symmetry-based invariance to continuous group action
viewing some symmetries as motions, as opposed to discrete symmetry, e.g. reflection symmetry, which is invariant under a kind of flip from one state to another
Continuous_symmetry
Phenomenon resulting from the superposition of two waves
addition to the classical wave model for understanding optical interference, quantum matter waves also demonstrate interference. The above can be demonstrated
Wave_interference
Concept in quantum mechanics
Wave–particle duality is the concept in quantum mechanics that fundamental entities of the universe, like photons and electrons, exhibit particle or wave
Wave–particle_duality
Limit on measurements at quantum scales
A quantum limit in physics is a limit on measurement accuracy at quantum scales. Depending on the context, the limit may be absolute (such as the Heisenberg
Quantum_limit
Area, where a potential exhibits a local maximum
phenomena of wave-mechanical tunneling (also called "quantum tunneling") and wave-mechanical reflection. The problem consists of solving the one-dimensional
Rectangular_potential_barrier
Italian theoretical physicist and writer (born 1956)
States. Rovelli works mainly in the field of quantum gravity and is a founder of the theory of loop quantum gravity. He has also worked in the history and
Carlo_Rovelli
Book by Richard Feynman
through a partially reflective piece of glass. 2. Fits of Reflection and Transmission - Quantum Behaviour In the second lecture, Feynman looks at the different
QED: The Strange Theory of Light and Matter
QED:_The_Strange_Theory_of_Light_and_Matter
Historical critique of quantum mechanics
description of physical reality provided by quantum mechanics is incomplete. In a 1935 paper titled "Can Quantum-Mechanical Description of Physical Reality
Einstein–Podolsky–Rosen paradox
Einstein–Podolsky–Rosen_paradox
Type of field where the net flow of electromagnetic energy is zero
Plasmonic metamaterials Quantum tunneling Resonant energy transfer Snell's law Superlens Total internal reflection Total internal reflection fluorescence microscope
Evanescent_field
Interference effect of two photons
The Hong–Ou–Mandel effect is a two-photon interference effect in quantum optics that was demonstrated in 1987 by Chung Ki Hong (Korean: 홍정기), Zheyu Jeff
Hong–Ou–Mandel_effect
Symmetry of spatially mirrored systems
simultaneous flip in the sign of all three spatial coordinates (a point reflection or point inversion): P : ( x y z ) ↦ ( − x − y − z ) . {\displaystyle
Parity_(physics)
Phenomenon in quantum systems
In quantum mechanics, quantum scarring is a phenomenon where the eigenstates of a classically chaotic quantum system have enhanced probability density
Quantum_scar
2024 studio album by Tinashe
team. Quantum Baby is an experimental R&B record that incorporates elements of pop and R&B. According to The Boston Globe, it is "a reflection of where
Quantum_Baby
Ratio of energy extracted from sunlight in solar cells
The "external" quantum efficiency of a silicon solar cell includes the effect of optical losses such as transmission and reflection. Measures can be
Solar-cell_efficiency
Paradigm of quantum computer
Linear optical quantum computing or linear optics quantum computation (LOQC), also photonic quantum computing (PQC), is a paradigm of quantum computation
Linear optical quantum computing
Linear_optical_quantum_computing
Interpretation of quantum mechanics
philosophy of physics, QBism (pronounced "cubism") is an interpretation of quantum mechanics that takes an agent's actions and experiences as the central
QBism
Quantum phenomena
and reflection. In particular, the transmission remains finite even when the potential step is taken to be infinitely large. The one-particle quantum mechanics
Klein_paradox
Book by Roland Omnès
of reflections on possible future steps. Omnès' project is not quite as it at first sounds.[citation needed] He is not trying to show that quantum mechanics
Quantum_Philosophy
German physicist
Friedrich, Harald; Jacoby, Georg; Meister, Carlo G. (27 February 2002). "Quantum reflection by Casimir–van der Waals potential tails". Physical Review A. 65 (3)
Harald_Friedrich
Fictional brand in the Fallout franchise
products" like Nuka-Cola Quantum and the extensive promotional campaigns and the use of the mascot Nuka Girl as a "reflection of the capitalist system
Nuka-Cola
O.; Setija, I.; Hijmans, T.; Mizusaki, T.; Walraven, J. (1989). "Quantum reflection: Focusing of hydrogen atoms with a concave mirror" (PDF). Physical
Scanning_helium_microscopy
Electromagnetic radiation humans can see
everyday interactions with light can be understood using geometrical optics. Quantum optics is an important research area in modern physics. The main source
Light
Physical process transitioning a system from a symmetric state to a more ordered state
result of the collapse to be arbitrary. This phenomenon is fundamental to quantum field theory (QFT), and further, contemporary understandings of physics
Symmetry_breaking
Interaction between subatomic particles
fusion. The theory describing its behaviour and effects is sometimes called quantum flavordynamics (QFD); however, the term QFD is rarely used, because the
Weak_interaction
Relativistic wave equation in quantum mechanics
named. Within relativistic quantum mechanics, it suffers from numerous conceptual problems that are only resolved in quantum field theory, where the equation
Klein–Gordon_equation
Aspect of loop quantum gravity
Lorentz transformation. In quantum gravity, Lorentz invariance measures the universal features in the hypothetical loop quantum gravity universes; which
Lorentz invariance in loop quantum gravity
Lorentz_invariance_in_loop_quantum_gravity
2019 Canadian horror film
Blood Quantum is a 2019 Canadian horror film written, directed, and edited by Jeff Barnaby and starring Michael Greyeyes, Elle-Máijá Tailfeathers, Forrest
Blood_Quantum_(film)
Invariance under simultaneous charge conjugation, parity transformation and time reversal
physical phenomena, or more precisely, that any Lorentz invariant local quantum field theory with a Hermitian Hamiltonian must have CPT symmetry. In layman
CPT_symmetry
enhancing the reflection coefficient of the scattered particles. Although there are several proposals for the realization of adiabatic quantum motors, none
Adiabatic_quantum_motor
Textbook by Paul Dirac
The Principles of Quantum Mechanics is an influential monograph written by Paul Dirac and first published by Oxford University Press in 1930. In this
The Principles of Quantum Mechanics
The_Principles_of_Quantum_Mechanics
Concept in linear algebra
(also known as a Householder reflection or elementary reflector) is a linear transformation that describes a reflection about a plane or hyperplane containing
Householder_transformation
Portion of the universe chosen for analysis
usual meaning of system, such as a particular machine. In the study of quantum coherence, the "system" may refer to the microscopic properties of an object
Physical_system
Electronic device
detector. As a result, the QWIP technology had a quantum efficiency of only 5 percent. In addition, the reflection gratings commonly used in the industry to
Quantum well infrared photodetector
Quantum_well_infrared_photodetector
John Ellis, D. Amati (2000). "Biographical notes on John Bell". Quantum Reflections. Cambridge University Press. p. xi. ISBN 978-0-521-63008-5. Retrieved
List of atheists in science and technology
List_of_atheists_in_science_and_technology
Italian physicist
would have to await the 21st century. as editor with John Ellis: Quantum Reflections , Cambridge University Press, New York 2000, ISBN 0-521630088. Dell'Arti
Daniele_Amati
Quantum information paradigm
bright background noise. The reflection from the object is then combined with the retained idler system in a joint quantum measurement providing two possible
Quantum_illumination
Model of an energy potential in quantum mechanics
In quantum mechanics the delta potential is a potential well mathematically described by the Dirac delta function - a generalized function. Qualitatively
Delta_potential
Wigner distribution function in physics as opposed to in signal processing
Thus, this quantum-mechanical bound precludes a Wigner function which is a perfectly localized δ-function in phase space, as a reflection of the uncertainty
Wigner quasiprobability distribution
Wigner_quasiprobability_distribution
physicist William Duane presented a discrete momentum-exchange model of the reflection of X-ray photons by a crystal lattice. Duane showed that such a model
Duane's_hypothesis
other after reflection from the boundaries. The geometry of a quantum carpet is mainly determined by the quantum fractional revivals. Quantum carpets demonstrate
Quantum_carpet
necessary at all? Quantum gravity: Can quantum mechanics and general relativity be realized as a fully consistent theory (perhaps as a quantum field theory)
List of unsolved problems in physics
List_of_unsolved_problems_in_physics
British academic
calculating wave reflections in disordered media. Barnes is known for his research on theoretical condensed matter physics, electron-based quantum computing
Crispin_Barnes
Type of graph in mathematics and physics
In mathematics and physics, a quantum graph is a linear, network-shaped structure of vertices connected on edges (i.e., a graph) in which each edge is
Quantum_graph
Truths and principles of the study of matter, space, time and energy
three pillars of modern physics: Quantum mechanics: Interpretations of quantum theory, including the nature of quantum states, the measurement problem
Philosophy_of_physics
Crystal growth process
mechanisms and Alfred Y. Cho's in situ observation of MBE process using reflection high-energy electron diffraction (RHEED) in the late 1960s. Molecular-beam
Molecular-beam_epitaxy
Similar behavior of quantum systems to droplets bouncing on a fluid
In physics, the hydrodynamic quantum analogs refer to experimentally-observed phenomena involving bouncing fluid droplets over a vibrating fluid bath
Hydrodynamic_quantum_analogs
Symmetry between bosons and fermions
Supersymmetric quantum mechanics adds the SUSY superalgebra to quantum mechanics as opposed to quantum field theory. Supersymmetric quantum mechanics often
Supersymmetry
Statistical mechanics of quantum-mechanical systems
Quantum statistical mechanics is statistical mechanics applied to quantum mechanical systems. It relies on constructing density matrices that describe
Quantum_statistical_mechanics
American physicist
Pearle, Philip (2002-03-01). Ellis, John; Amati, Daniele (eds.). "Quantum Reflections". American Journal of Physics. 70 (3): 365–367. Bibcode:2002AmJPh
Philip_Pearle
Point with minimum wave amplitude
In chemistry, quantum mechanical waves, or "orbitals", are used to describe the wave-like properties of electrons. Many of these quantum waves have nodes
Node_(physics)
Optical component which splits light into several beams
set to zero), in which a ray of light behaves according to the laws of reflection (like a mirror) and refraction (like a lens), respectively. An idealized
Diffraction_grating
Diode that emits light from an organic compound
is used to increase radiative efficiency by direct modification of the quantum-mechanical optical recombination rate. Doping is additionally used to determine
OLED
Scientific field of study
with many interdisciplinary areas of research, such as biophysics and quantum chemistry, and the boundaries of physics are not rigidly defined. New ideas
Physics
Season of television series
five of Quantum Leap ran on NBC from September 22, 1992, to May 5, 1993. The series follows the exploits of Dr. Sam Beckett and his Project Quantum Leap
Quantum_Leap_season_5
2011 book by David Deutsch
currently thinks it is. Deutsch sees quantum superpositions and the Schrödinger equation as evidence for a many worlds quantum multiverse, where everything physically
The_Beginning_of_Infinity
Theory of gravitation as curved spacetime
general relativity with the laws of quantum physics remains a problem, however, as no self-consistent theory of quantum gravity has been found. It is not
General_relativity
In particle physics, the history of quantum field theory starts with its creation by Paul Dirac, when he attempted to quantize the electromagnetic field
History of quantum field theory
History_of_quantum_field_theory
Observable events that result from the interaction of light and matter
the interaction of light and matter. All optical phenomena coincide with quantum phenomena. Common optical phenomena are often due to the interaction of
Optical_phenomenon
History of physical crystallography to 1895
polarization, conical refraction, absorption and pleochroism, luminescence, reflection from opaque materials, and infrared optics. The effect of electricity
Physical crystallography before X-rays
Physical_crystallography_before_X-rays
Notation in physics and chemistry
momenta that characterize the state of a molecule, i.e. its electronic quantum state which is an eigenstate of the electronic molecular Hamiltonian. It
Molecular_term_symbol
Optical instrument
(EC) quantum cascade laser, the quantum cascade device serves as the laser gain medium. One, or both, of the waveguide facets has an anti-reflection coating
Quantum-cascade_laser
QUANTUM REFLECTION
QUANTUM REFLECTION
Girl/Female
Indian
Image, Reflection, Also referred to as the disk of brightness surrounding the Sun, Moon
Girl/Female
Biblical
Fourth.
Girl/Female
Indian
Reflection, Image, Radiance
Boy/Male
Latin Biblical
Born fourth.
Surname or Lastname
English
English : nickname from Middle English cointe, quointe ‘known’ (via Old French, from Latin cognitus ‘known’). The Middle English word was used in various senses, any of which could have given rise to the surname: ‘cunning’, ‘crafty’, ‘knowledgeable’ (especially about dress, hence ‘elegant’), ‘attractive’. The sense development continued with ‘odd’ or ‘unusual’, the normal meaning of the modern English word ‘quaint’.German and Dutch : variant of Quandt.
Girl/Female
Tamil
Reflection, Image, Radiance
Girl/Female
Tamil
Image, Reflection, Also referred to as the disk of brightness surrounding the Sun, Moon
Boy/Male
Danish, Finnish, French, German, Latin, Shakespearean, Swedish
Born Fifth
Boy/Male
Hindu, Indian
Calm
Surname or Lastname
South German
South German : occupational name for an official in charge of the legal auction of property confiscated in default of a fine; such a sale was known in Middle High German as a gant (from Italian incanto, a derivative of Late Latin inquantare ‘to auction’, from the phrase In quantum? ‘To how much (is the price raised)?’).German : metonymic occupational name for a cooper, from Middle High German ganter, kanter ‘barrel rack’.German : variant of Gander 3.English : occupational name for a glover, from Old French gantier, an agent derivative of gant ‘glove’ (see Gant).
Male
English
English surname transferred to forename use, derived from the Norman baronial name Cuinchy, a derivative of Roman Quintus, QUINCY means "fifth."
Girl/Female
Tamil
A beauty by its blue reflection
Biblical
fourth
Girl/Female
Indian
Reflection, Image, Radiance
Girl/Female
Tamil
Reflection, Image, Radiance
Boy/Male
Hindu
Reflection of light
Girl/Female
Tamil
A beauty by its blue reflection
Surname or Lastname
English
English : from the personal name Horace, Latin Horatius, a Roman family name of unknown origin, associated chiefly with the name of the poet Quintus Horatius Flaccus (65–8 bc).
Boy/Male
Tamil
Reflection through study
Girl/Female
Tamil
A beauty by its blue reflection
QUANTUM REFLECTION
QUANTUM REFLECTION
Boy/Male
Arabic, Muslim
This was the Name of the Most Important Man in the Baytal Hikmah (House of Wisdom)
Female
Hindi/Indian
(अमला) Hindi name AMALA means "clean; pure." Compare with another form of Amala.
Biblical
the strength of God,whom God made
Boy/Male
Muslim
Faith. Trust.
Girl/Female
Greek American
Pure.
Boy/Male
American, Anglo, British, English
From the Taxed Land
Female
English
Elaborated feminine form of English unisex Jade, JAYDE means "jade."
Boy/Male
Indian
Shining, Brightness
Biblical
a thousand; learned; chief
Male
Hindi/Indian
(रञà¥à¤œà¤¿à¤¤) Hindi name RANJIT means "victorious in battle."
QUANTUM REFLECTION
QUANTUM REFLECTION
QUANTUM REFLECTION
QUANTUM REFLECTION
QUANTUM REFLECTION
pl.
of Quantum
n.
Quantity; amount.
a.
Empty of thought; thoughtless; not occupied with study or reflection; as, a vacant mind.
n.
One of the variables of a quantic as distinguished from a coefficient.
n.
Part or proportion; quota.
a.
Of, pertaining to, or in the manner of, the Roman general, Quintus Fabius Maximus Verrucosus; cautious; dilatory; avoiding a decisive contest.
n.
A quantic of the fifth degree. See Quantic.
n.
A quantic of the fourth degree. See Quantic.
n.
A part reflected, or turned back, at an angle; as, the reflection of a membrane.
n.
A function involving the coefficients and the variables of a quantic, and such that when the quantic is lineally transformed the same function of the new variables and coefficients shall be equal to the old function multiplied by a factor. An invariant is a like function involving only the coefficients of the quantic.
n.
A quantic of the seventh degree.
n.
That which is produced by reflection.
n.
A quantic of the sixth degree.
n.
The return of rays, beams, sound, or the like, from a surface. See Angle of reflection, below.
n.
A homogeneous algebraic function of two or more variables, in general containing only positive integral powers of the variables, and called quadric, cubic, quartic, etc., according as it is of the second, third, fourth, fifth, or a higher degree. These are further called binary, ternary, quaternary, etc., according as they contain two, three, four, or more variables; thus, the quantic / is a binary cubic.
n.
A definite portion of a manifoldness, limited by a mark or by a boundary.
n.
A quantic of the eighth degree.
n.
A fanciful, odd, or extravagant notion; a quant fancy; an unnatural or affected conception; a witty thought or turn of expression; a fanciful device; a whim; a quip.
n.
A quantic of the second degree. See Quantic.
n.
A punting pole with a broad flange near the end to prevent it from sinking into the mud; a setting pole.