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13 relations: Ballistic conduction, Electrical resistance and conductance, Elementary charge, Landauer formula, Mesoscopic physics, National Institute of Standards and Technology, Planck constant, Quantum Hall effect, Quantum point contact, Quantum wire, Siemens (unit), Thermal conductance quantum, Uncertainty principle.
Ballistic conduction
Ballistic conduction (ballistic transport) is the transport of electrons in a medium having negligible electrical resistivity caused by scattering.
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Electrical resistance and conductance
The electrical resistance of an electrical conductor is a measure of the difficulty to pass an electric current through that conductor.
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Elementary charge
The elementary charge, usually denoted as or sometimes, is the electric charge carried by a single proton, or equivalently, the magnitude of the electric charge carried by a single electron, which has charge.
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Landauer formula
The Landauer formula—named after Rolf Landauer, who first suggested its prototype in 1957—is a formula relating the electrical resistance of a quantum conductor to the scattering properties of the conductor.
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Mesoscopic physics
Mesoscopic physics is a subdiscipline of condensed matter physics that deals with materials of an intermediate length.
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National Institute of Standards and Technology
The National Institute of Standards and Technology (NIST) is one of the oldest physical science laboratories in the United States.
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Planck constant
The Planck constant (denoted, also called Planck's constant) is a physical constant that is the quantum of action, central in quantum mechanics.
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Quantum Hall effect
The quantum Hall effect (or integer quantum Hall effect) is a quantum-mechanical version of the Hall effect, observed in two-dimensional electron systems subjected to low temperatures and strong magnetic fields, in which the Hall conductance undergoes quantum Hall transitions to take on the quantized values where is the channel current, is the Hall voltage, is the elementary charge and is Planck's constant.
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Quantum point contact
A quantum point contact (QPC) is a narrow constriction between two wide electrically conducting regions, of a width comparable to the electronic wavelength (nano- to micrometer).
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Quantum wire
In mesoscopic physics, a quantum wire is an electrically conducting wire in which quantum effects influence the transport properties.
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Siemens (unit)
The siemens (symbol: S) is the derived unit of electric conductance, electric susceptance and electric admittance in the International System of Units (SI).
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Thermal conductance quantum
In physics, the thermal conductance quantum g_0 describes the rate at which heat is transported through a single ballistic phonon channel of temperature T. It is given by: g_.
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Uncertainty principle
In quantum mechanics, the uncertainty principle (also known as Heisenberg's uncertainty principle) is any of a variety of mathematical inequalities asserting a fundamental limit to the precision with which certain pairs of physical properties of a particle, known as complementary variables, such as position x and momentum p, can be known.
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