15 citations · 32 across the 13 of their papers we have counts for
13 papers
Physically motivated iso-orbital indicator for meta-GGA exchange functionals
Jeet Sharma, Abhishek Bhattacharjee, Bikash Patra +1
The iso-orbital indicator is a key ingredient of meta-generalized gradient approximation (meta-GGA) functionals, but diverges in low-density…
Evidence of electronic instability driven structural distortion in the nodal line semimetal CoSn
Suman Nandi, Bishal Maity, Shovan Dan +8
Understanding the mechanisms that drive spontaneous rotational symmetry breaking in correlated electron systems is a central challenge in condensed matter physics. Although such sy…
Imprinting electrically switchable scalar spin chirality by anisotropic strain in a Kagome antiferromagnet
Debjoty Paul, Shivesh Yadav, Shikhar Gupta +9
Topological chiral antiferromagnets, such as MnSn, are emerging as promising materials for next-generation spintronic devices due to their intrinsic transport properties link…
High-order van Hove singularities and nematic instability in the kagome superconductor CsTiBi
Bikash Patra, Amrita Mukherjee, Bahadur Singh
ATiBi (A = Cs or Rb) are emerging topological kagome metals that exhibit superconductivity and nematicity without intertwining translational symmetry-breaking charge orders…
Charge density wave with suppressed long-range structural modulation in canted antiferromagnetic kagome FeGe
Chenfei Shi, Wenchang Hou, Hanbin Deng +30
Kagome lattice can host abundant exotic quantum states such as superconductivity and charge density wave (CDW). Recently, successive orders of A-type antiferromagnetism (AFM), CDW…
Topological surface states host superconductivity induced by the bulk condensate in YRuB
Nikhlesh Singh Mehta, Bikash Patra, Mona Garg +8
While the possibility of topological superconductivity (TSC) in hybrid heterostructures involving topologically nontrivial band structure and superconductors has been proposed, the…
Topological nonsymmorphic insulator versus Dirac semimetal in KZnBi
Rahul Verma, Bikash Patra, Bahadur Singh
KZnBi was discovered recently as a new three-dimensional Dirac semimetal with a pair of bulk Dirac fermions in contrast to the trivial insulator reported earlier. In…
Realization of Z Topological Metal in Single-Crystalline Nickel Deficient NiVSe
Sitaram Ramakrishnan, Shidaling Matteppanavar, Andreas Schonleber +6
Temperature-dependent electronic and magnetic properties are reported for a Z2 topological metal single-crystalline nickel-deficient NiVSe. It is found to crystallize in th…
Role of effective mass anisotropy in realizing a hybrid nodal-line fermion state
Bikash Patra, Rahul Verma, Shin-Ming Huang +1
Understanding the role of lattice geometry in shaping topological states and their properties is of fundamental importance to condensed matter and device physics. Here we demonstra…
Coexistence of phononic Weyl, nodal line, and threefold excitations in chalcopyrite CdGeAs and associated thermoelectric properties
Vikas Saini, Bikash Patra, Bahadur Singh +1
Realization of topologically protected quantum states leads to unprecedented opportunities for fundamental science and device applications. Here, we demonstrate the coexistence of…
Coupling between colossal charge density wave ordering and magnetism in Ho2Ir3Si5
Sitaram Ramakrishnan, Jin-Ke Bao, Claudio Eisele +14
Ho2Ir3Si5 belongs to the family of three-dimensional (3D) R2Ir3Si5 (R = Lu, Er and Ho) compounds that exhibit a colossal first-order charge density wave (CDW) transition where ther…
Density matrix expansion based semi-local exchange hole applied to range separated density functional theory
Bikash Patra, Subrata Jana, Prasanjit Samal
Exchange hole is the principle constituent in density functional theory, which can be used to accurately design exchange energy functional and range separated hybrid functionals co…
Performance of Range Separated Hybrids: Study within BECKE88 family and Semilocal Exchange Hole based Range Separated Hybrid
Subrata Jana, Bikash Patra, Hemanadhan Myneni +1
A long range corrected range separated hybrid functional is developed based on the density matrix expansion (DME) based semilocal exchange hole with Lee-Yang-Parr (LYP) correlation…