On the origin of A-type antiferromagnetism and chiral split magnons in altermagnetic α-MnTe, M. Alaei, P. Sobieszczyk, A. Ptok, N. Rezaei, A. R. Oganov, A. Qaiumzadeh,
Physical Review Letters under review,
arXiv:2411.11985
Chiral phononic and electronic edge modes of EuPtSi, I. Mahraj and A. Ptok,
Physical Review B under review,
arXiv:2409.12807
Electronic structure of a nodal line semimetal candidate TbSbTe, I. Bin Ellus, J. F. Casey, S. Regmi, V. Buturlim, A. P. Sakhya, M. Sprague, M. I. Mondal, N. Valadez, A. K. Kumay, Y. Venkateswara, S. Dan, T. Romanova, A. K. Pathak, K. Gofryk, A. Ptok, D. Kaczorowski, and M. Neupane,
Physical Review B under review,
arXiv:2406.09054
Electronic properties and surface states of CeRh2As2, K. J. Kapcia and A. Ptok,
Physical Review Materials under review,
arXiv:2311.01037
Stability of AuSn4 compound in low temperature, S. Yadav, S. Sekh, and A. Ptok,
Physical Review Materials under review,
arXiv:2309.10571
Ruthenium dioxide RuO2: effect of the altermagnetism on the physical properties, A. Ptok,
Physical Review B under review,
arXiv:2309.02421
Correlation stabilized topological ferromagnetic MnRuAs with a distorted kagome lattice, Anusree C. V., A. Ptok, P. Sobieszczyk, G. Vaitheeswaran, and V. Kanchana,
Physical Review B accepted
Revealing the intrinsic electronic structure and complex fermiology of YRu2Si2 using angle-resolved photoemission spectroscopy, A. P. Sakhya, S. Regmi, M. Sprague, M. I. Mondal, I. B. Elius, N. Valadez, A. Ptok, D. Kaczorowski, and M. Neupane,
Physical Review B 110, 125104 (2024),
PDF,
arXiv:2304.07871
Lattice dynamics study of electron-correlation-induced charge density wave in antiferromagnetic kagome metal FeGe, A. Ptok, S. Basak, A. Kobialka, M. Sternik, J. Lazewski, P. T. Jochym, A. M. Oles, and P. Piekarz,
Physical Review Materials Letter 8, L080601 (2024),
PDF,
arXiv:2403.00297
First-principles investigations of structural, electronic and optical properties of ternary chalcopyrite semiconductors CuInY2 (Y=S,Se and Te), I. Mahraj and A. Ptok,
Computational Condensed Matter 40, e00935 (2024),
PDF
Unveiling the interplay of magnetic order and electronic band structure in the evolution of the anomalous Hall effect in single crystalline MnPtGa, G. Dwari, S. Dan, B. B. Maity, S. Ramakrishnan, A. Lakshan, R. Kulkarni, V. Sharma, S. Nandi, P. P. Jana, A. Ptok, and A. Thamizhavel,
Physical Review B 110, 045111 (2024),
PDF
Complex fermiology and electronic structure of antiferromagnet EuSnP, M. Sprague, A. P. Sakhya, S. Regmi, M. I. Mondal, I. Bin Elius, N. Valadez, K. Booth, T. Romanova, A. Ptok, D. Kaczorowski, and M. Neupane,
Physical Review Materials 8, 054411 (2024),
PDF,
arXiv:2311.02785
Electronic structure in a rare-earth based nodal-line semimetal candidate PrSbTe, S. Regmi, I. Bin Elius, A. P. Sakhya, M. Sprague, M. I. Mondal, N. Valadez, V. Buturlim, K. Booth, T. Romanova, K. Gofryk, A. Ptok, D. Kaczorowski, and M. Neupane,
Physical Review Materials Letter 8, L041201 (2024),
PDF,
arXiv:2310.02184
Phononic drumhead surface state in distorted kagome compound RhPb, A. Ptok, W.R. Meier, A. Kobialka, S. Basak, M. Sternik, J. Lazewski, P.T. Jochym, M.A. McGuire, B.C. Sales, H. Miao, P. Piekarz, and A.M. Oles,
Phys. Rev. Research 5, 043231 (2023),
PDF,
arXiv:2309.02419
Anisotropic positive linear and sub-linear magnetoresistivity in the cubic type-II Dirac metal Pd3In7, A. F. Savvidou, A. Ptok, G. Sharma, B. Casas, J. K. Clark, V. M. Li, M. Shatruk, S. Tewari, and L. Balicas,
npj Quantum Materials 8, 68 (2023),
PDF,
arXiv:2311.02212
Observation of momentum-dependent charge density wave gap in a layered antiferromagnet GdTe3, S. Regmi, I. Bin Elius, A. P. Sakhya, D. Jeff, M. Sprague, M. I. Mondal, D. Jarrett, N. Valadez, A. Agosto, T. Romanova, J.-H. Chu, S. I. Khondaker, A. Ptok, D. Kaczorowski, and M. Neupane,
Scientific Reports 13, 18618 (2023),
PDF,
arXiv:2306.04447
Tuning the topological character of half-Heusler systems YTBi (T =Pd, Pt), J. C. Souza, M. V. Ale Crivillero, H. Dawczak-Debicki, A. Ptok, P. G. Pagliuso, and S. Wirth,
Physical Review B 108, 165154 (2023),
PDF,
arXiv:2310.15708
Observation of gapless nodal-line states in NdSbTe, S. Regmi, R. Smith, A. P. Sakhya, M. Sprague, M. I. Mondal, I. Bin Elius, N. Valadez, A. Ptok, D. Kaczorowski, and M. Neupane,
Physical Review Materials 7, 044202 (2023),
PDF,
arXiv:2210.00163,
Theoretical study of dynamical and electronic properties of noncentrosymmetric superconductor NbReSi, S. Basak and A. Ptok,
Materials 16, 78 (2023) Editor's Choice,
PDF,
arXiv:2212.08000,
2022
Influence of anharmonicity on the negative thermal expansion of alpha-Sn, P.T. Jochym, R.K.Kremer, J. Lazewski, A. Ptok, P. Piekarz, E. Brucher, and A.M. Oles,
Physical Review Materials 6, 113601 (2022),
PDF
Electronic band structure and surface states in Dirac semimetal LaAgSb2, M. Rosmus, N. Olszowska, Z. Bukowski, P. Starowicz, P. Piekarz, and A. Ptok,
Materials 15, 7168 (2022) Editor's Choice,
PDF,
arXiv:2204.12961
Dynamical study of the origin of the charge density wave in AV3Sb5 (A=K, Rb, Cs) compounds,
A. Ptok, A. Kobialka, M. Sternik, J. Lazewski, P.T. Jochym, A.M. Oles, and P. Piekarz,
Physical Review B 105, 235134 (2022),
PDF,
arXiv:2110.09816
Connection between the semiconductor-superconductor transition and the spin-polarized superconducting phase in the honeycomb lattice, A. Cichy, K.J. Kapcia, and A. Ptok,
Physical Review B 105, 214510 (2022),
PDF,
arXiv:2202.13811
Dynamical properties of magnetic topological insulator TBi2Te4 (T=Mn, Fe): phonons dispersion, Raman active modes, and chiral phonons study, A. Kobialka, M. Sternik, and A. Ptok,
Physical Review B 105, 214304 (2022),
PDF,
arXiv:2203.03337
Ab initio study of chiral phonons in ternary YAlSi compound, S. Basak and A. Ptok,
Crystals 12, 436 (2022),
PDF
2021
Chiral phonons in honeycomb sublattice of layered CoSn-like compounds, A. Ptok, A. Kobialka, M. Sternik, J. Lazewski, P. T. Jochym, A. M. Oles, S. Stankov, and P. Piekarz,
Physical Review B 104, 054305 (2021),
PDF,
arXiv:2106.03740,
Electronic and dynamical properties of CeRh2As2: Role of Rh2As2 layers and expected hidden orbital order, A. Ptok, K. J. Kapcia, P. T. Jochym, J. Lazewski, A. M. Oles, and P. Piekarz,
Phys. Rev. B Letter 104, L041109 (2021),
PDF,
arXiv:2102.02735,
Probing the chirality of one-dimensional Majorana edge states around a two-dimensional nanoflake in a superconductor, A. Ptok, D. J. Alspaugh, Sz. Glodzik, A. Kobialka, A. M. Oles, P. Simon, and P. Piekarz,
Physica Review B 102, 245405 (2020),
PDFarXiv:2008.11807
Lattice dynamics of endotaxial silicide nanowires, J. Kalt, M. Sternik, B. Krause, I. Sergueev, M. Mikolasek, D. Merkel, D. Bessas, O. Sikora, T. Vitova, J. Gottlicher, R. Steininger, P. Jochym, A. Ptok, O. Leupold, H.-Ch. Wille, A. Chumakov, P. Piekarz, K. Parlinski, T. Baumbach, and S. Stankov,
Physical Review B 102, 195414 (2020),
PDF2010.11572
Origin of the monoclinic distortion and its impact on the electronic properties in KO2, O. Sikora, D. Gotfryd, A. Ptok, M. Sternik, K. Wohlfeld, A. M. Oles, and P. Piekarz,
Physical Review B 102, 085129 (2020),
PDF,
arXiv:2007.15544
Discovery of a low-temperature orthorhombic phase of the Cd2Re2O7 superconductor, K.J. Kapcia, M. Reedyk, M. Hajialamdari, A. Ptok, P.Piekarz, F.S. Razavi, A.M. Oles, and R.K. Kremer,
Physical Review Research 2, 033108 (2020),
PDF,
arXiv:1911.11057
Properties of superconducting two-band system: an influence of the pair-hopping coupling, A. Ptok, K. J. Kapcia, and P. Piekarz,
Frontiers in Physics 8, 284 (2020),
PDF
Superfluidity of fermionic pairs in a harmonic trap. Comparative studies: Local Density Aprroximation and Bogoliubov-de Gennes solutions, A. Cichy and A. Ptok,
Journal of Physics Communications 4, 055006 (2020),
PDF
Lattice dynamics and polarization-dependent phonon damping in alpha-phase FeSi2 nanostructures, J. Kalt, M. Sternik, B. Krause, I. Sergueev, M. Mikolasek, D. Bessas, O. Sikora, T. Vitova, J. Gottlicher, R. Steininger, P.T. Jochym, A. Ptok, O. Leupold, H.C. Wille, A.I. Chumakov, P. Piekarz, K. Parlinski, T. Baumbach, and S. Stankov,
Physical Review B 101, 165406 (2020),
PDF,
arXiv:2003.02969
2019
Electronic and lattice properties of non-centrosymmetric superconductors ThTSi (T = Co, Ir, Ni, and Pt), A. Ptok, K. Domieracki, K.J. Kapcia, J. Lazewski, P.T. Jochym, M. Sternik, P.Piekarz, and D. Kaczorowski,
Physical Review B 100, 165130 (2019),
PDF,
arXiv:1909.12669,
Fig. 4 in Phys. Rev. B Kaleidoscope.
Ab initio and nuclear inelastic scattering studies of Fe3Si/GaAs heterostructures, O. Sikora, J. Kalt, M. Sternik, A. Ptok, P.T. Jochym, J. Lazewski, K. Parlinski, P. Piekarz, I. Sergueev, H.C. Wille, J. Herfort, B. Jenichen, T. Baumbach, and S. Stankov,
Physical Review B 99, 134303 (2019),
PDF,
arXiv:1904.04122
Phase separations induced by a trapping potential in one-dimensional fermionic systems as a source of core-shell structures, A. Cichy, K. J. Kapcia, and A. Ptok,
Scientific Reports 9, 6719 (2019),
PDFarXiv:1903.08050
Critical behavior in one dimension: Unconventional pairing, phase separation, BEC-BCS crossover, and magnetic Lifshitz transition, A. Ptok, A. Cichy, K. Rodriguez and K. J. Kapcia,
Physical Review A 95, 033613 (2017),
PDF,
arXiv:1702.02193
Specific heat study of Fulde-Ferrell-Larkin-Ovchinnikov superconducting states in multibands materials - an iron-based systems, D. Crivelli and A. Ptok,
Acta Physica Polonica A 130, 507 (2016),
PDF
Mutual enhancement of magnetism and Fulde-Ferrell-Larkin-Ovchinnikov superconductivity in CeCoIn5, M. Mierzejewski, A. Ptok and M. M. Maska,
Physical Review B 80, 174525 (2009),
PDF