Finite-temperature time-dependent effective theory for the Goldstone field in a BCS-type superfluid
نویسندگان
چکیده
منابع مشابه
Finite Temperature Time-Dependent Effective Theory For The Goldstone Field In A BCS-Type Superfluid
We extend to finite temperature the time-dependent effective theory for the Goldstone field (the phase of the pair field) θ which is appropriate for a superfluid containing one species of fermions with s-wave interactions, described by the BCS Lagrangian. We show that, when Landau damping is neglected, the effective theory can be written as a local time-dependent non-linear Schrödinger Lagrangi...
متن کاملFinite Temperature Time-Dependent Effective Theory For The Goldstone Field In A BCS Superconductor
We extend to finite temperature the time-dependent effective theory for the Goldstone field (the phase of the pair field) θ which is appropriate for superconductors containing one species of charge carrier, described by the BCS Lagrangian. We show that, when Landau damping is neglected, the effective theory can be written as a local time-dependent nonlinear Schrödinger Lagrangian (TDNLSL) which...
متن کاملThe 3d Effective Field Theory for Finite Temperature Scalar Electrodynamics
The effective field theory approach to high temperature field theory can be used to study the phase transition in theories with spontaneously broken symmetry. I construct a sequence of two effective three–dimensional field theories which are valid on successively longer distance scales for a specific model: model: N charged scalars coupled to a U(1) gauge field. The resulting effective Lagrangi...
متن کاملTime Dependent Effective Actions at Finite Temperature ∗
I study derivative expansions of effective actions at finite temperature, illustrating how the standard methods are badly defined at finite temperature. I then show that by setting up the initial conditions at a finite time, these problems are solved. 1.1 Zero temperature I will work with a simple model of two real fields φ and η 1 L[φ, η] = 1 2 η∆ −1 η − 1 2 gφη 2 + L 0 [φ], (1) and integratin...
متن کاملConsistent anti-de Sitter-space/conformal-field-theory dual for a time-dependent finite temperature system.
We propose a consistent setup for the holographic dual of the strongly coupled large-Nc N=4 super Yang-Mills theory plasma which undergoes the Bjorken flow relevant to the quark-gluon plasma at BNL Relativistic Heavy Ion Collider and CERN LHC. The dual geometry is constructed order by order in a well-defined late-time expansion. The transport coefficients are determined by the regularity of the...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Physical Review B
سال: 2000
ISSN: 0163-1829,1095-3795
DOI: 10.1103/physrevb.62.6638