papers

Publications (33)

cond-mat.str-el2018

Zero-Field Quantum Critical Point in CeYbCoIn

Y. P. Singh, R. B. Adhikari, D. J. Haney +4

We present results of specific heat, electrical resistance, and magnetoresistivity measurements on single crystals of the heavy-fermion superconducting alloy CeYb

cond-mat.supr-con2007

Spectroscopic signatures of nonequilibrium pairing in atomic Fermi gases

M. Dzero, E. A. Yuzbashyan, B. L. Altshuler +1

We determine the radio-frequency (RF) spectra for non-stationary states of a fermionic condensate produced by a rapid switch of the scattering length. The RF spectrum of the nonequ…

cond-mat.str-el2009

Electron Cotunneling into a Kondo Lattice

Marianna Maltseva, M. Dzero, P. Coleman

Motivated by recent experimental interest in tunneling into heavy electron materials, we present a theory for electron tunneling into a Kondo lattice. The passage of an electron in…

cond-mat.str-el2018

Short-range antiferromagnetic correlations in the superconducting state of filled skutterudite alloys PrEuPtGe

R. B. Adhikari, D. L. Kunwar, I. Jeon +3

Motivated by current research efforts towards exploring the interplay between magnetism and superconductivity in multiband electronic systems, we have investigated the effects of E…

cond-mat.supr-con2015

Magnetic penetration depth in disordered iron-based superconductors

M. Dzero, M. Khodas, A. D. Klironomos +2

We study the effect of disorder on the London penetration depth in iron-based superconductors. The theory is based on a two-band model with quasi-two-dimensional Fermi surfaces, wh…

cond-mat.quant-gas2016

Phase diagram for the trapped p-wave fermionic superfluid with population imbalance

A. A. Kirmani, K. Quader, M. Dzero

We consider the problem of spin-triplet p-wave superfluid pairing with total spin projection in atomic Fermi gas across the Feshbach resonance. We allow for imbalanced popu…

cond-mat.str-el2014

Pressure studies of the quantum critical alloy Ce(0.93)Yb(0.07)CoIn5

Y. P. Singh, D. J. Haney, Xinyi Huang +4

Here we present our experimental and theoretical study of the effects of pressure on the transport properties of the heavy-fermion alloy Ce(1-x)Yb(x)CoIn5 with x~0.07. We specifica…

cond-mat.mtrl-sci2012

Non-Fermi liquid behavior with and without quantum criticality in Ce(1-x)Yb(x)CoIn(5)

T. Hu, Y. P. Singh, L. Shu +4

One of the greatest challenges to Landau's Fermi liquid theory - the standard theory of metals - is presented by complex materials with strong electronic correlations. In these mat…

cond-mat.str-el2014

From local moment to mixed-valence regime in Ce(1-x)Yb(x)CoIn5 alloys

Y. P. Singh, D. J. Haney, X. Y. Huang +5

We investigated the onset of the many-body coherence in the f-orbital single crystalline alloys Ce(1-x)Yb(x)CoIn5 through thermodynamic and magneto-transport measurements. Our stud…

cond-mat.mtrl-sci2002

Even-odd effects in magnetoresistance of ferromagnetic domain walls

M. Dzero, L. P. Gor'kov, A. K. Zvezdin +1

Difference in density of states for the spin's majority and minority bands in a ferromagnet changes the electrostatic potential along the domains, introducing the discontinuities o…

cond-mat.str-el2007

Superconductivity due to co-operative Kondo effect in Pu 115's

M. Dzero, P. Coleman

We outline key elements of a theory that accounts for anomalous properties of the PuCoGa and PuRhGa compounds as a consequence of a two-body interference between two Kondo…

cond-mat.str-el2001

Crystal-field effects in the first-order valence transition in YbInCu4 induced by an external magnetic field

M. Dzero

As it was shown earlier [Dzero, Gor'kov, and Zvezdin, J. Phys.:Condens. Matter 12, L711 (2000)] the properties of the first-order valence phase transition in YbInCu4 in the wide ra…

cond-mat.str-el2003

Breakup of a Stoner model for the 2D ferromagnetic quantum critical point

M. Dzero, L. P. Gor'kov

Re-interpretation of the results by [A. V. Chubukov et. al., Phys. Rev. Lett. 90, 077002 (2003)] leads to the conclusion that ferromagnetic quantum critical point (FQCP) cannot be…

cond-mat.str-el2022

Vanishing RKKY interactions in Ce-based cage compounds

A. M. Konic, Y. Zhu, A. J. Breindel +5

We report the results of thermodynamic measurements in external magnetic field of the cubic Ce-based cage compounds CeCd ( = Ni,Pd). Our analysis of the heat-capac…

cond-mat.str-el2008

Heavy electrons and the symplectic symmetry of spin

Rebecca Flint, M. Dzero, P. Coleman

The recent discovery of two heavy fermion materials PuCoGa_{5} and NpPd_{5}Al_{2} which transform directly from Curie paramagnets into superconductors, reveals a new class of super…

cond-mat.supr-con2016

Universality and unconventional enhancement of flux-flow resistivity in Ba(FeCo)As

Xinyi Huang, D. J. Haney, Y. P. Singh +5

Measurements of the current-voltage characteristics were performed on Ba(FeCo)As single crystals with doping level . An unconventional in…

cond-mat.supr-con2011

Strong magnetic fluctuations in superconducting state of CeCoIn

T. Hu, H. Xiao, T. A. Sayles +3

We show results on the vortex core dissipation through current-voltage measurements under applied pressure and magnetic field in the superconducting phase of CeCoIn. We find th…

cond-mat.mes-hall2016

Anomalous Hall Effect on the surface of topological Kondo insulators

E. J. König, P. M. Ostrovsky, M. Dzero +1

We calculate the anomalous Hall conductivity of the surface states {in cubic topological Kondo insulators}. We consider a generic model for the surface states with three…

cond-mat.supr-con2008

Cooper pair turbulence in atomic Fermi gases

M. Dzero, E. A. Yuzbashyan, B. L. Altshuler

We investigate the stability of spatially uniform solutions for the collisionless dynamics of a fermionic superfluid. We demonstrate that, if the system size is larger than the sup…

cond-mat.supr-con2017

Relationship between critical current and flux-flow resistivity in the mixed state of Ba(FeCo)As

Xinyi Huang, Y. P. Singh, D. J. Haney +6

We studied the temperature and magnetic field dependence of vortex dissipation and critical current in the mixed-state of unconventional superconducting alloys Ba(FeCo)…

cond-mat.str-el2021

Quantum criticality in CeSmCoIn

D. L. Kunwar, R. B. Adhikari, N. Pouse +3

Motivated by the possibility of observing the co-existence between magnetism and unconventional superconductivity in heavy-fermion CeSmCoIn alloys, we studied how t…

cond-mat.str-el2021

Heat capacity of URuOsSi at low temperatures

D. L. Kunwar, S. R. Panday, Y. Deng +5

We perform measurements of the heat capacity as a function of temperature in URuOsSi alloys. Our experimental results show that the critical temperature of the seco…

cond-mat.str-el2002

On magnetoconductivity of metallic manganite phases and heterostructures

M. Dzero, L. P. Gor'kov, V. Z. Kresin

We use the double exchange (DE) model via degenerate orbitals and tight-binding approximation to study the magnetoconductivity of a canted A-phase of pseudo-cubic manganites. It is…

cond-mat.str-el2008

Supplementary material to Heavy electrons and the symplectic symmetry of spin

Rebecca Flint, M. Dzero, P. Coleman

This online material provides the technical detail for ``Heavy electrons and the symplectic symmetry of spin",(arXiv 0710.1122). Three parts. Part I - symplectic spins, their prope…

cond-mat.str-el2014

Quantum criticality and superconducting pairing in Ce(1-x)Yb(x)CoIn5 alloys

Y. P. Singh, D. J. Haney, I. K. Lum +4

In this paper we review some of our recent experimental and theoretical results on transport and thermodynamic properties of heavy-fermion alloys Ce(1-x)Yb(x)CoIn5. Charge transpor…

cond-mat.str-el2021

Evolution of non-Kramers Doublets in Magnetic Field PrNiCd and PrPdCd

A. M. Konic, R. B. Adhikari, D. L. Kunwar +6

Praseodymium-based 1-2-20 cage compounds Pr ( is generally Ti, V, Nb, Ru, Rh, Ir; and is either Al, Zn or Cd) provide yet another platform to study non-trivial el…

cond-mat.str-el2016

Multiband superconductivity in the correlated electron filled skutterudite system Pr(1-x)Ce(x)Pt4Ge12

Y. P. Singh, R. B. Adhikari, S. Zhang +6

Studies of superconductivity in multiband correlated electronic systems has become one of the central topics in condensed matter/materials physics. In this paper, we present the re…

cond-mat.supr-con2015

Orbital and Pauli limiting effects in heavily doped BaKFeAs

Shuai Zhang, Y. P. Singh, X. Y. Huang +3

We investigated the thermodynamic properties of the Fe-based lightly disordered superconductor BaKFeAs in external magnetic field H applied along the FeAs…

cond-mat.supr-con2019

Schottky anomaly and short-range antiferromagnetic correlations in filled skutterudites PrEuPtGe

R. B. Adhikari, P. Shen, D. L. Kunwar +4

By performing a series of thermodynamic measurements in an applied magnetic field , we investigated the effects of Eu substitution on the Pr sites in filled skutt…

cond-mat.str-el2020

Kondo-induced giant isotropic negative thermal expansion

D. G. Mazzone, M. Dzero, M. Abeykoon +9

Negative thermal expansion is an unusual phenomenon appearing in only a handful of materials, but pursuit and mastery of the phenomenon holds great promise for applications across…

cond-mat.str-el2017

Kondo insulator SmB6 under strain: surface dominated conduction near room temperature

A. Stern, M. Dzero, V. M. Galitski +2

SmB6 is a strongly correlated mixed-valence Kondo insulator with a newly discovered surface state, proposed to be of non-trivial topological origin. However, the surface state domi…

cond-mat.mes-hall2018

Gyrotropic Hall effect in Berry-curved materials

E. J. König, M. Dzero, A. Levchenko +1

We study the ac Hall response induced by passage of dc transport current in two- and three-dimensional metals with gyrotropic point groups -- the gyrotropic Hall effect -- and cons…

cond-mat.str-el2006

Quantum critical end point of the Kondo volume collapse

M. Dzero, M. R. Norman, I. Paul +2

The Kondo volume collapse describes valence transitions in f-electron metals, and is characterized by a line of first order transitions in the pressure-temperature phase plane term…