THEORY OF THE CASIMIR EFFECT FOR GRAPHENE AT FINITE TEMPERATURE

Theory of the Casimir effect for a flat graphene layer interacting with a parallel flat material is presented in detail. The high-temperature asymptotics of a free energy in a graphene-metal system coincides with a Drude high-temperature asymptotics of the metal-metal system. High-temperature behavior in the graphene-metal system is expected at separations of the order of 100 nm at temperature T = 300 K .

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Magnetic field corrections to the repulsive Casimir effect at finite temperature

International Journal of Modern Physics A ◽

10.1142/s0217751x16500184 ◽

2016 ◽

Vol 31 (07) ◽

pp. 1650018 ◽

Cited By ~ 2

Author(s):

Andrea Erdas

Keyword(s):

Magnetic Field ◽

Free Energy ◽

High Temperature ◽

Finite Temperature ◽

Casimir Effect ◽

Massless Scalar ◽

Massless Scalar Field ◽

Parallel Plates ◽

The Magnetic Field ◽

Plate Distance

I investigate the finite temperature Casimir effect for a charged and massless scalar field satisfying mixed (Dirichlet–Neumann) boundary conditions on a pair of plane parallel plates of infinite size. The effect of a uniform magnetic field, perpendicular to the plates, on the Helmholtz free energy and Casimir pressure is studied. The [Formula: see text]-function regularization technique is used to obtain finite results. Simple analytic expressions are obtained for the zeta function and the free energy, in the limits of small plate distance, high temperature and strong magnetic field. The Casimir pressure is obtained in each of the three limits and the situation of a magnetic field present between and outside the plates, as well as that of a magnetic field present only between the plates is examined. It is discovered that, in the small plate distance and high temperature limits, the repulsive pressure is less when the magnetic field is present between the plates but not outside, than it is when the magnetic field is present between and outside the plates.

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On finite temperature Casimir effect for Dirac lattices

Modern Physics Letters A ◽

10.1142/s0217732320400192 ◽

2020 ◽

Vol 35 (03) ◽

pp. 2040019

Author(s):

Irina Pirozhenko

Keyword(s):

Free Energy ◽

High Temperature ◽

Heat Kernel ◽

Finite Temperature ◽

Casimir Effect ◽

Delta Function ◽

Nonzero Temperature ◽

Heat Kernel Expansion

We consider polarizable sheets modeled by a lattice of delta function potentials. The Casimir interaction of two such lattices is calculated at nonzero temperature. The heat kernel expansion for periodic singular background is discussed in relation with the high temperature asymptote of the free energy.

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Investigation of the high temperature behavior of strained Si1−yCy /Si heterostructures

Journal of Applied Physics ◽

10.1063/1.358826 ◽

1995 ◽

Vol 77 (5) ◽

pp. 1934-1937 ◽

Cited By ~ 57

Author(s):

G. G. Fischer ◽

P. Zaumseil ◽

E. Bugiel ◽

H. J. Osten

Keyword(s):

High Temperature ◽

Temperature Behavior ◽

High Temperature Behavior

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High-Temperature Behavior of Metals

Metals ◽

10.3390/met11071128 ◽

2021 ◽

Vol 11 (7) ◽

pp. 1128

Author(s):

Elisabetta Gariboldi ◽

Stefano Spigarelli

Keyword(s):

High Temperature ◽

Structural Response ◽

Temperature Behavior ◽

High Temperature Deformation ◽

Temperature Deformation ◽

High Temperature Behavior ◽

Or Modelling

The design of new alloys as well as the optimization of processes involving whichever form of high-temperature deformation cannot disregard the characterization and/or modelling of the high-temperature structural response of the material [...]

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