activity
20202026
most citedPhononic drumhead surface state in distorted kagome compound RhPb

10 citations · 59 across the 14 of their papers we have counts for

collaborators

14 papers

cond-mat.str-el2026

Coupled Majorana modes in a dual vortex of the Kitaev honeycomb model

Surajit Basak, Jean-Noël Fuchs

The Kitaev model is exactly solvable in terms of Majorana fermions hopping on a honeycomb lattice and coupled to a static gauge field, giving the possibility of -…

cond-mat.mtrl-sci2024★ 3 cited

Lattice dynamics of altermagnetic ruthenium oxide RuO

Surajit Basak, Andrzej Ptok

Altermagnetic ruthenium oxide RuO crystallizes with P4/mnm symmetry. Here we discuss the lattice dynamics of this structure. We show and discuss the phonon dispersion a…

cond-mat.mtrl-sci2024★ 7 cited

Electronic and dynamical properties of cobalt monogermanide CoGe phases under pressure

Surajit Basak, Aksel Kobiałka, Małgorzata Sternik +5

We present the pressure dependence of the electronic and dynamical properties of six different CoGe phases: orthorhombic Cmmm, hexagonal P6/mmm and P2m, monoclinic C2/m, c…

cond-mat.mtrl-sci2024★ 5 cited

Lattice dynamics study of electron-correlation-induced charge density wave in antiferromagnetic kagome metal FeGe

Andrzej Ptok, Surajit Basak, Aksel Kobiałka +5

Electron-correlation-driven phonon soft modes have been recently reported in the antiferromagnetic kagome FeGe compound and associated with the observed charge density wave (CDW).…

cond-mat.mtrl-sci2023★ 10 cited

Phononic drumhead surface state in distorted kagome compound RhPb

Andrzej Ptok, William R. Meier, Aksel Kobiałka +9

RhPb was initially recognized as one of a CoSn-like compounds with symmetry, containing an ideal kagome lattice of -block atoms. However, theoretical calculations predi…

cond-mat.mtrl-sci2023★ 6 cited

Pb (=Pd,Pt and =S,Se) with transition metal kagome net: Dynamical properties, phonon nodal line, phonon surface states, and chiral phonons

Surajit Basak, Aksel Kobiałka, Andrzej Ptok

Shandite with NiPbS chemical formula and Rm symmetry, contains the kagome sublattice formed by the transition metal atoms. Recent experimental results co…

cond-mat.str-el2023★ 5 cited

Influence of Electrons on the Electronic Band Structure of Rare-Earth Nickelates

Andrzej Ptok, Surajit Basak, Przemysław Piekarz +1

Recently, superconductivity was discovered in the infinite layer of hole-doped nickelates NdNiO. Contrary to this, superconductivity in LaNiO is still under debate. Thi…

cond-mat.supr-con2022★ 10 cited

Theoretical study of dynamical and electronic properties of noncentrosymmetric superconductor NbReSi

Surajit Basak, Andrzej Ptok

The noncentrosymmetric NbReSi superconductor with K is characterized by the relatively large upper critical magnetic field. Its multigap features were observed e…

cond-mat.supr-con2022★ 2 cited

Electronic properties and surface states of RbNiSe

Surajit Basak, Przemysław Piekarz, Andrzej Ptok

Iron-based superconductors, with the ThCrSi-type tetragonal structure (122 family), due to the iron arsenide/selenide layers exhibit several characteristic electronic p…

cond-mat.mtrl-sci2022★ 2 cited

Chiral phonon in the cubic system based on the Laves phase of Bi (K, Rb, Cs)

Surajit Basak, Przemysław Piekarz, Andrzej Ptok

B (K, Rb, Cs) compounds crystallize in the cubic Laves phase (symmetry Fdm). The geometry of the crystal structure allows the realization of chiral phonons, w…

cond-mat.mtrl-sci2022

Termination dependence of the surface states in PbPd

Surajit Basak, Andrzej Ptok

Topological properties of systems lead to the emergence of surface states which can be observed experimentally within the angle-resolved photoemission spectroscopy (ARPES) measurem…

cond-mat.supr-con2022

Majorana bound states in the presence of the half-smeared potential

Surajit Basak, Andrzej Ptok

The Majorana bound state can be realized in one dimensional chain, in form of two well localized and separated states at both ends of the chain. In this paper, we discuss the case…

cond-mat.supr-con2022★ 6 cited

Shiba states in systems with density of states singularities

Surajit Basak, Andrzej Ptok

Magnetic impurities placed in the superconductor can lead to emergence of the Yu-Shiba-Rusinov bound states. Coupling between the impurity and the substrate depends on density of s…

hep-th2020★ 3 cited

A new model with solitary waves: solution, stability and quasinormal modes

Surajit Basak, Poulami Dutta Roy, Sayan Kar

We construct solitary wave solutions in a dimensional massless scalar () field theory with a specially chosen potential . The equation governing perturbations about…