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cond-mat.str-el2002
Universally diverging Grueneisen parameter and the magnetocaloric effect close to quantum critical points
Lijun Zhu, Markus Garst, Achim Rosch +1
At a generic quantum critical point, the thermal expansion is more singular than the specific heat . Consequently, the "Grüneisen ratio'', $\GE=α/c_p$, diverges. When scal…
cond-mat.str-el2002
Local quantum critical point and non-Fermi liquid properties
Qimiao Si
Quantum criticality provides a means to understand the apparent non-Fermi liquid phenomena in correlated electron systems. How to properly describe quantum critical points in elect…
cond-mat.str-el2002
Hall Effect in Nested Antiferromagnets Near the Quantum Critical Point
M. R. Norman, Qimiao Si, Ya. B. Bazaliy +1
We investigate the behavior of the Hall coefficient in the case of antiferromagnetism driven by Fermi surface nesting, and find that the Hall coefficient should abruptly increase w…