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RESEARCH PRODUCT

Role of quasiparticles in universal low-temperature properties of

Vladimir A. StephanovichV.r. Shaginyan

subject

PhysicsQuantum phase transitionCondensed matter physicsCondensationQuasiparticleConductanceFermionFunction (mathematics)Electrical and Electronic EngineeringCondensed Matter PhysicsSymmetry (physics)Electronic Optical and Magnetic MaterialsPhase diagram

description

Abstract We demonstrate that the main universal features of the low temperature magnetic field-temperature experimental phase diagram of CeCoIn 5 and other heavy-fermion metals can be well explained within the concept of quasiparticles and fermion condensation quantum phase transition. We analyze dynamic conductance recently obtained in measurements on CeCoIn 5 and show that the particle–hole symmetry is violated in this metal making dynamic conductance asymmetric as a function of applied voltage V .

yearjournalcountryeditionlanguage
2008-04-01Physica B: Condensed Matter
https://doi.org/10.1016/j.physb.2007.10.224