Beyond The Fermi Liquid
Chapter 6: The Fermi Liquid
... Now suppose we introduce a local weak perturbation such as the type discussed in Sec. 4.2 to an isotropic system at zero temperature. Such a perturbation could be caused by, eg. a sound wave or a weak magnetic field ...
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Aspects of Non-Fermi-liquid Metals
... the Fermi-liquid theory successfully agrees with experimental observations in the majority of metals, there is number of materials whose metallic behavior is as- sociated with enigmatic ...
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Quantum criticality and non-fermi liquid pairing in Yukawa-SYK model
... Quantum criticality and non-Fermi liquid pairing in Yukawa-SYK model.. Yuxuan Wang University of Florida YW, Phys.?[r] ...
AN EVALUATION OF OPTICAL CONDUCTIVITY OF PROTOTYPE NON-FERMI LIQUID KONDO ALLOYS
... non- Fermi liquid properties at low temperatures ...of Fermi -liquid theory is the existence of a single scale, the Fermi energy E F , and for energies E≤ E F and temperatures K β T ≤ E ...
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Non-fermi-liquid behavior in transport through co-doped Au Chains
... parameters, T K 2:6 10 5 eV. Therefore, for moderate z , T f is very small and non-Fermi-liquid physics is observable in a wide range of temperatures. In summary, we have shown that it is possible to ...
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Constructing the AdS dual of a Fermi liquid: AdS black holes with Dirac hair
... charged Fermi liquid has a non-zero fermion density in the ...the Fermi surface is encoded in the spatially averaged AdS probability density of a single normalizable fermion wavefunction in ...the ...
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Origin of Non-Fermi Liquid Behavior in Heavy Fermion Systems: A Conceptual View
... Since Fermi liquid theory does not hold close to QCP, quasi-particles do not form and therefore it is possible that the itinerant valence electrons find a glue to bind themselves together into a Cooper ...
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Landau Theory of Fermi Liquid in a Relativistic Nonlinear (σ, ω) Model at Finite Temperature
... to Fermi liquid properties or the reduction to Landau parameters is significant or ...that Fermi-liquid prop- erties are fairly sensitive to variations of temperature at low ...
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Non Fermi liquid fixed points and anomalous Landau damping in a quantum critical metal
... The soft frequency regulators that we use in our calculation capture the feedback of soft particle-hole excitations on the boson, which are beyond the scope of the hard cut-off theory extrapolated to = 1 [20]. ...
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Relaxation and Thermal Conductivity of Hot and Thermal Quasiparticles and Fermi Liquid Interactions in d-wave Superconductors
... anisotropic Fermi surfaces and energy gaps. As we have emphasized, Fermi liquid theory cannot provide to give an adequate description of the normal state properties of the high- T c ...of ...
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Non Fermi liquid behavior and anomalous suppression of Landau damping in layered metals close to ferromagnetism
... (Received 30 October 2014; published 5 June 2015) We analyze the low-energy physics of nearly ferromagnetic metals in two spatial dimensions using the functional renormalization group technique. We find a new low-energy ...
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The crossover from Fermi liquid to local pairs in the normal state of the attractive Hubbard and Holstein models
... The increasing separation between the pair formation and the pair condensation temperature as v=1/k F a var- ies between the BCS and the BEC limit implies that, in the regime −2$v$ +2 near unitarity, there is a substan- ...
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Non-Fermi-liquid behavior in nonequilibrium transport through Co-doped Au chains connected to fourfold symmetric leads
... We found that a quantum critical point at the anisotropy value D = 0 takes place. The three differ- ent phases, underscreened, overscreened and no Kondo phases are characterized by the weight of the Kondo res- onance at ...
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Roton collective mode observed in a two-dimensional Fermi liquid
... We now show that dynamic many-body effects play an essential role in explaining the observed position of the roton and the emergence of the collective mode beyond the PHB. Adopting the view that the physical ...
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Phenomenology of the superconducting state of a marginal Fermi liquid with BCS model interaction
... Such a broadening of the square root singularity in the density of states, which occurs especially near T„where the narrow coherence peak is located, suppresses the peak largely or total[r] ...
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Lasing in Bose Fermi mixtures
... Pavlos G. Savvidis 8,9 , Vladimir K. Kalevich 1,2 , Mikhail M. Afanasiev 1,2 , Vladimir A. Lukoshkin 1,2 , Christian Schneider 10 , Matthias Amthor 10 , Christian Metzger 10 , Martin Kamp 10 , Sven Hoefling 10,11 , ...
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Bose-Fermi competition in holographic metals.
... Strongly coupled system with no clear particle spectrum, e.g. conformal field theories, are another system where the validity of this rule is not obvious. Using the insight offered by the AdS/CFT correspondence, we study ...
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Computer Interface to Accurately Determine Fermi Energy and Fermi Temperature of Materials
... Determine Fermi energy and Fermi temperature of different materials by studying the resistance variation at different temperature is an important task to find and develop new ...determine Fermi ...
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Fermi window. and Current
... 2) The power dissipation occurs in the contacts. 1) The voltage drops at the contact (quantum contact resistance).. Next: we have seen that differences in Fermi levels cause current [r] ...
The Fermi Bubbles as a Superbubble
... Lorenzo Zaninetti Physics Department, via P.Giuria 1, Turin, Italy Abstract In order to model the Fermi bubbles we apply the theory of the superbubble (SB). A thermal model and a self-gravitating model are ...
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