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  Encyclopedia of Keywords > Pauli Exclusion Principle > Quantum State   Michael Charnine

Keywords and Sections
GROUPS
ORBITAL
PLACE
STATE TRANSFORMATION
DYNAMICAL STATE
MATTER FIELDS
CLASSICAL STATE
QUANTUM STATE VECTOR
UNIQUE QUANTUM STATE
PAULI EXCLUSION PRINCIPLE STATES
SINGLE
MATTER
UNIVERSE
LIQUID
POSITION
WORDS
VACUUM
PAIRS
OPERATORS
SHARING
SET
MEANS
COLLAPSE
CONSEQUENCE
PRINCIPLE
NEUTRONS
ENERGY
RESULT
PHOTONS
OCCUPYING
ABSORBING
SYSTEM
MEASUREMENT
PROBABILITY
PROBABILITIES
SIGNIFICANT NUMBER
ATOMS
PHONONS
SPACE
PHASE SPACE
QUANTUM PHYSICS
HILBERT SPACE
QUANTUM STATES
LOOP QUANTUM GRAVITY
MATHEMATICAL DESCRIPTION
SINGLE ENTITY
Review of Short Phrases and Links

    This Review contains major "Quantum State"- related terms, short phrases and links grouped together in the form of Encyclopedia article.

Definitions

  1. A quantum state is any possible state in which a quantum mechanical system can be. (Web site)
  2. The quantum state is consequently a purely mathematical and abstract concept and also a source of many difficulties when first apprehending the theory. (Web site)
  3. But a quantum state is a full description of a system, so that the Schrödinger equation is always first order in time.
  4. If the quantum state is initially symmetric (antisymmetric), it will remain symmetric (antisymmetric) as the system evolves.
  5. A pure quantum state is a state which can be described by a single ket vector, or as a sum of basis states.

Groups

  1. Groups of fermions are not allowed to occupy the same quantum state.

Orbital

  1. This pattern is referred to as its atomic orbital and the shape of its orbital depends on its energy level (or, more specifically, its quantum state).

Place

  1. At one time, physicists thought that no two particles in the same quantum state could exist in the same place at the same time. (Web site)

State Transformation

  1. However, since both types of state transformation take one quantum state to another, this difference was viewed by many as unsatisfactory. (Web site)

Dynamical State

  1. The dynamical state is just the quantum state, and it never collapses. (Web site)

Matter Fields

  1. The source here is the expectation value of the stress-energy operator for the matter fields in some quantum state in the spacetime, a classical observable. (Web site)

Classical State

  1. Another quantum state of light with certain advantages over any classical state, squeezed light, was soon proposed.

Quantum State Vector

  1. The expectation value of a quantum mechanical operator operating on a quantum state vector is written as. (Web site)

Unique Quantum State

  1. The four quantum numbers n, l, m, and s specify the complete and unique quantum state of a single electron in an atom called its wavefunction or orbital. (Web site)

Pauli Exclusion Principle States

  1. Furthermore, the Pauli Exclusion Principle states that no two electrons can occupy the same quantum state. (Web site)

Single

  1. Many bosons can occupy a single quantum state.

Matter

  1. A Bose-Einstein condensate is a novel state of matter in which all the atoms collapse into the same quantum state.

Universe

  1. A mathematical theory which yields evolution in time of the quantum state of the (single) Universe. (Web site)

Liquid

  1. Groups of fermions are not allowed to occupy the same quantum state." "By cooling the liquid to a low enough temperature, helium-3 atoms can pair up. (Web site)

Position

  1. If something interacts with the electron, that quantum state "detangles" and the electron's mass, position, charge, spin, etc.

Words

  1. In other words, two quantum events might be described by a single quantum state, each event losing its own identity.

Vacuum

  1. Vacuum is not a tranquil void but a quantum state made up of matter fields and energy fields.

Pairs

  1. These pairs can then condense into a single quantum state and move without electrical resistance.

Operators

  1. However, these operators literally create and annihilate particles with a given quantum state. (Web site)

Sharing

  1. The Pauli exclusion principle makes sure of that, because it forbids more than two electrons from sharing the same quantum state. (Web site)

Set

  1. The set of four numbers (n, l, m,s) identifies the "quantum state" of the electron.

Means

  1. All fermions obey the Pauli exclusion principle, which means that they cannot occupy the same quantum state.

Collapse

  1. Like a fermionic condensate this Helium-3 superfluid arose because pairing between the fermions allowed them to collapse into a single quantum state. (Web site)

Consequence

  1. The existence of a Fermi surface is a direct consequence of the Pauli exclusion principle, which allows a maximum of one electron per quantum state. (Web site)

Principle

  1. A single quantum state could in principle consist of a large number of different, simultaneous activities. (Web site)

Neutrons

  1. This principle states that no two neutrons (or any other fermionic particle) can occupy the same place and quantum state simultaneously. (Web site)
  2. This principle requires that no two neutrons can occupy the same quantum state simultaneously.

Energy

  1. Once the quantum state has been prepared, some aspect of it is measured (for example, its position or energy).

Result

  1. As a result, the flavour content of a quantum state may change as it propagates freely. (Web site)
  2. As a result, macroscopic occupation of a single quantum state is allowed.

Photons

  1. In other words, a vacuum state is a quantum state with no photons.

Occupying

  1. Fermions, in contrast, act as individualists, no two occupying the same quantum state. (Web site)

Absorbing

  1. On absorbing a photon, an electron moves to a new quantum state by acquiring a higher level of energy.

System

  1. The quantum state of a system is a mathematical object that fully describes the quantum system.
  2. When you open the box, you measure the system, the quantum state collapses, and the cat becomes actually dead or alive, depending on where the electron is.

Measurement

  1. However, unlike in classical mechanics, the result of a measurement on even a pure quantum state is only determined probabilistically.
  2. Any measurement of the position with accuracy collapses the quantum state making the standard deviation of the momentum larger than.

Probability

  1. Knowledge of the quantum state, however, determines only the probability that one or another future will actually ensue. (Web site)

Probabilities

  1. Naturally, these probabilities will depend on the quantum state at the instant of the measurement. (Web site)

Significant Number

  1. Like a Bose-Einstein condensate the Helium-4 superfluid arose because of the collapse of a significant number of bosons into the same quantum state. (Web site)

Atoms

  1. A Bose-Einstein Condensate is a group of atoms which are all in the same quantum state. (Web site)
  2. These atoms are then velocity selected (by another laser) and then trapped in a microwave cavity unable to change their quantum state.
  3. Instead of dancing around in a gas or a liquid, these atoms can condense into a single quantum state and start moving in perfect lock-step.

Phonons

  1. In such a situation, the vacuum state is the quantum state of the crystal with no phonons.

Space

  1. Therefore, its quantum state can be represented as a wave, of arbitrary shape and extending over all of space, called a wavefunction. (Web site)

Phase Space

  1. This is the most similar a quantum state can be to a single point in phase space. (Web site)

Quantum Physics

  1. In quantum physics, a quantum state is a mathematical object that fully describes a quantum system.
  2. In quantum physics, a quantum state is a set of mathematical variables that fully describes a quantum system.

Hilbert Space

  1. A quantum branching program is the natural quantum generalization: we have a quantum state in a Hilbert space of dimension k.
  2. Mathematically, a pure quantum state is typically represented by a vector in a Hilbert space. (Web site)

Quantum States

  1. What you describe is not a quantum state, but instead a "statistical mixture" of quantum states. (Web site)

Loop Quantum Gravity

  1. In loop quantum gravity, a spin network represents a "quantum state" of the gravitational field on a 3-dimensional hypersurface. (Web site)

Mathematical Description

  1. Via the Dirac equation, Dirac spinors are required in the mathematical description of the quantum state of the relativistic electron. (Web site)

Single Entity

  1. The nuclei of bosons may pass through each other and can occupy the same quantum state simultaneously therefore behaving as a single entity. (Web site)

Categories

  1. Pauli Exclusion Principle
  2. Encyclopedia of Keywords > Nature > Matter > Fermions
  3. Bosons
  4. Wavefunction
  5. Wave Function

Related Keywords

    * Atom * Bose-Einstein Condensation * Bose-Einstein Statistics * Bose?? * Bosons * Concept * Electron * Electrons * Fermion * Fermions * Identical Fermions * Low Temperatures * Particles * Pauli Exclusion Principle * Quantum * Quantum Field Theory * Quantum Mechanics * Scattering Theory * Schrödinger Equation * State * States * Superfluid * Superfluidity * Superposition * Time * Time Evolution * Unique Concept * Wavefunction * Wave Function
  1. Books about "Quantum State" in Amazon.com

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  Short phrases about "Quantum State"
  Originally created: August 01, 2010.
  Links checked: April 23, 2013.
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