19 citations · 72 across the 15 of their papers we have counts for
15 papers
Role of correlations in Ruddlesden-Popper bilayer nickelates under compressive strain
Logan Bleys, Nicholas Corkill, Yi-Feng Zhao +4
The recent discovery of superconductivity in thin films of the bilayer Ruddlesden-Popper (RP) nickelate LaNiO (La327) under compressive strain has generated enormous in…
Correlation-temperature phase diagram of prototypical infinite layer rare earth nickelates
Gheorghe Lucian Pascut, Lucian Cosovanu, Kristjan Haule +1
The discovery of superconductivity in hole-doped infinite layer nickelates, RNiO2 (R = Nd, Pr, La) has garnered sustained interest in the field. A definitive picture of low-energy…
Finite temperature instabilities of 2D dipolar Bose gas at arbitrary tilt angle
Pengtao Shen, Khandker F. Quader
Advances in creating stable dipolar Bose systems, and ingenious box traps have generated tremendous interest. Theory study of dipolar bosons at finite temperature (T) has been limi…
First Principles Study of Electronic Structure and Fermi Surface in Rare-earth Filled Skutterudites RPt4Ge12
Gheorghe Lucian Pascut, Michael Widom, Kristjan Haule +1
Experiments on rare-earth filled skutterudites demonstrate an intriguing array of thermodynamic, transport and superconducting properties, and bring to fore theoretical challenges…
Properties of 2D and Quasi-2D Dipolar Bosons with Non-zero Tilt Angles at T=0
Pengtao Shen, Khandker F. Quader
Recent experimental advances in creating stable dipolar bosonic systems, including polar molecules with large electric dipole moments, have led to vigorous theoretical activities.…
Elastic Instability of the Orthorhombic Antiferromagnetic Phase of 122-Pnictides Under Pressure
Michael Widom, Khandker Quader
A-122 pnictides (A an alkaline earth element) possess striped antiferromagnetic states of orthorhombic (OR) symmetry and nonmagnetic states of tetragonal (T) symmetry. Based on tot…
Approaching Pomeranchuk Instabilities from Ordered Phase: A Crossing-symmetric Equation Method
Kelly Reidy, Khandker Quader, Kevin Bedell
We explore features of a 3D Fermi liquid near generalized Pomeranchuk instabilities using a tractable crossing symmetric equation method. We approach the instabilities from the ord…
Lifshitz Transitions in 122-Pnictides Under Pressure
Khandker Quader, Michael Widom
We demonstrate, using first principles total energy calculations, that observed pressure-driven anomalies in the entire 122-pnictides family (FeAs; = alkali ea…
Signatures of Fermion Pairing with Unconventional Symmetry around BCS-BEC Crossover in a Quasi-2D Lattice
Dušan Volčko, Khandker F. Quader
We consider fermions on a 2D square lattice with a finite-range pairing interaction, and obtain signatures for unconventional pair-symmetry states, and extended-s ($s…
p-wave Pairing in Two-Component Fermi System with Unequal Population: Weak Coupling BCS to Strong Coupling BEC Regimes
Renyuan Liao, Florentin Popescu, Khandker Quader
We study p-wave pairing in a two-component Fermi system with unequal population across weak-coupling BCS to strong-coupling BEC regimes. We find a rich spin triplet p-wave…
First Principles Study of CaFe2As2 "Collapse" Under Pressure
Michael Widom, Khandker Quader
We perform first principles calculations on CaFe2As2 under hydrostatic pressure. Our total energy calculations show that though the striped antiferromagnetic (AFM) orthorhombic (OR…
Medium effects close to s- and p-wave Feshbach resonances in atomic Fermi gases
Renyuan Liao, Khandker F. Quader
Many-body effects may influence properties, such as scattering parameters, nature of pairing, etc., close to a Feshbach resonance in the fermion BEC-BCS crossover problem. We study…
P-wave Pairing in Two-Component Fermi Systems with Unequal Population near Feshbach Resonance
R. Liao, F. Popescu, K. Quader
We explore p-wave pairing in a single-channel two-component Fermi system with unequal population near Feshbach resonance. Our analytical and numerical study reveal a rich superflui…
Pairing with Unconventional Symmetry around BCS-BEC Crossover: Fermionic Atoms in 2D Optical Lattices to Correlated Electron Systems
Dusan Volcko, Khandker F. Quader
We study superfluid properties of fermions on a 2D lattice using a finite-range pairing interaction derivable from an extended Hubbard model. We obtain signatures of unconventional…
Pairing in Asymmetrical Fermi Systems with Intra- and Inter-Species Correlations
Renyuan Liao, Khandker F. Quader
We consider inter- and intra-species pairing interactions in an asymmetrical Fermi system. Using equation of motion method, we obtain coupled mean-field equations for superfluid ga…