{"id":671,"date":"2021-08-31T22:03:54","date_gmt":"2021-08-31T15:03:54","guid":{"rendered":"https:\/\/na.mahidol.ac.th\/nas2020\/?page_id=671"},"modified":"2026-05-26T14:55:23","modified_gmt":"2026-05-26T07:55:23","slug":"kumar-abhinav-page","status":"publish","type":"page","link":"https:\/\/na.mahidol.ac.th\/nas2020\/kumar-abhinav-page\/","title":{"rendered":"Dr.Kumar Abhinav"},"content":{"rendered":"<h2 style=\"text-align: center;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-902\" src=\"https:\/\/na.mahidol.ac.th\/nas2020\/wp-content\/uploads\/2021\/08\/Photo.jpeg-300x300.jpg\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/na.mahidol.ac.th\/nas2020\/wp-content\/uploads\/2021\/08\/Photo.jpeg-300x300.jpg 300w, https:\/\/na.mahidol.ac.th\/nas2020\/wp-content\/uploads\/2021\/08\/Photo.jpeg-150x150.jpg 150w, https:\/\/na.mahidol.ac.th\/nas2020\/wp-content\/uploads\/2021\/08\/Photo.jpeg.jpg 745w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/h2>\n<p><!--more--><\/p>\n<p><strong><em>Lecturer<\/em><\/strong><br \/>\n[Theoretical High Energy Physics]<\/p>\n<p>Quantum Field Theory | PT-symmetric Systems | Integrable Deformations<\/p>\n<p>E-mail: <a href=\"mailto:kumar.abh@mahidol.ac.th\">kumar.abh@mahidol.ac.th<\/a>, <a href=\"mailto:gokuabhinav@gmail.com\">gokuabhinav@gmail.com<\/a><\/p>\n<p><a href=\"https:\/\/orcid.org\/0000-0003-1633-0074\">ORCID<\/a><\/p>\n<h2>\u00a0Education<\/h2>\n<ul>\n<li><strong>2009-2015<\/strong>: Ph.D. in Quantum Field Theory from Indian Institute for Science Education and Research Kolkata, India. Supervisor: Dr. Prasanta K Panigrahi.<\/li>\n<li><strong>2004-2005<\/strong>: MSc in Physics from Dibrugarh University, Assam, India.<\/li>\n<li><strong>2000-2003<\/strong>: BSc in Physics (Hons.) from Jagannath Barooah College under Dibrugarh University, Assam, India.<\/li>\n<\/ul>\n<h2>Work Experience<\/h2>\n<ul>\n<li><strong>2021-Present<\/strong>: Lecturer at the Centre for Theoretical Physics and Natural Philosophy (NAS), Mahidol University, Nakhonsawan Campus Project.<\/li>\n<li><strong>2019-2021<\/strong>: Lecturer at The Institute for Fundamental Study (IF), Naresuan University, Thailand.<\/li>\n<li><strong>2018-2019<\/strong>: Overseas Specialist Lecturer at The Institute for Fundamental Study (IF), Naresuan University, Thailand.<\/li>\n<li><strong>2017-2018<\/strong>: T\u00fcbitak 2216 Postdoctoral Fellow of Turkish Government at Bilkent University, Ankara, Turkey.<\/li>\n<li><strong>2016-2017<\/strong>: Postdoctoral Associate at S N Bose National Centre for Basic Sciences, Kolkata, India.<\/li>\n<\/ul>\n<h2>Research Areas<\/h2>\n<p>I started with PT-symmetric quantum systems incorporating supersymmetric techniques and mean-field models for cold atoms. Then I worked in non-perturbative Topological Gauge theories, Extended Effective Gravity, and Effective Models of Fermion Conductivity.\u00a0 Currently, I am studying Deformed Integrable Models and PT-symmetric Field Theories. My immediate research interests are:<\/p>\n<ul>\n<li>Quantum corrections and anomalies in PT-symmetric systems<\/li>\n<li>Gauge theories with topological terms<\/li>\n<li>Deformed integrable models with localized solutions<\/li>\n<\/ul>\n<h2>Publications<\/h2>\n<ol>\n<li>&#8220;Quasi-integrability from PT-symmetry&#8221;, <strong>Kumar Abhinav<\/strong>, Partha Guha and Indranil Mukherjee <a href=\"https:\/\/www.nature.com\/articles\/s41598-026-45617-8\">Sci. Rep. <strong>16<\/strong>, 15078 (2026)<\/a><a href=\"https:\/\/doi.org\/10.1038\/s41598-025-86381-5\">\u00a0<\/a><\/li>\n<li>&#8220;On quasi-integrable deformation scheme of the KdV system&#8221;, <strong>Kumar Abhinav <\/strong>and Partha Guha,\u00a0 <a href=\"https:\/\/doi.org\/10.1038\/s41598-025-86381-5\">Sci. Rep.\u00a0<strong>15<\/strong>, 2402 (2025).<\/a><\/li>\n<li>&#8220;Quantizing a non-locally massive 2-form model&#8221;,<strong> K. Abhinav<\/strong>, <a href=\"https:\/\/doi.org\/10.1016\/j.physletb.2024.138992\">Physics Letters B <strong>857<\/strong>, 138992 (2024)<\/a>.<\/li>\n<li>APT-symmetric KdV Solutions and Their Algebraic Extension with Zero-Width Resonances&#8221;, <strong>K. Abhinav<\/strong>, A. Shukla and P. K. Panigrahi <a href=\"https:\/\/doi.org\/10.1038\/s41598-024-65432-3\">Sci. Rep.\u00a0 <strong>14<\/strong>, 15330 (2024)<\/a>.<\/li>\n<li>&#8220;Non-Holonomic and Quasi-Integrable Deformations of the AB Equations&#8221;, <strong>K. Abhinav<\/strong>, I. Mukherjee and P. Guha, <a href=\"https:\/\/doi.org\/10.1016\/j.physd.2022.133186\">Physica D : Nonlinear Phenomena <strong>433<\/strong>, 133186 (2022)<\/a>.<\/li>\n<li>\u201cAnalysis and comparative study of non-holonomic and quasi-integrable deformations of the nonlinear Schr\u00f6dinger equation\u201d, <strong>K. Abhinav<\/strong>, P. Guha and I. Mukherjee, <a href=\"https:\/\/doi.org\/10.1007\/s11071-019-05345-3\">Nonlinear Dyn <strong>99<\/strong>, 1179 (2020)<\/a>.<\/li>\n<li>\u201cStudy of quasi-integrable and non-holonomic deformation of equations in the NLS and DNLS hierarchy\u201d, <strong>K. Abhinav<\/strong>, P. Guha and I. Mukherjee, <a href=\"https:\/\/doi.org\/10.1063\/1.5019268\">Jour. Math. Phys. <strong>59<\/strong>, 101507 (2018)<\/a>.<\/li>\n<li>\u201cB\u00e4cklund Transformation and Quasi-Integrable Deformation of Mixed Fermi-Pasta-Ulam and Frenkel-Kontorova Models\u201d, <strong>K. Abhinav<\/strong>, A. Ghose Choudhury and P. Guha, <a href=\"https:\/\/www.lhscientificpublishing.com\/journals\/articles\/DOI-10.5890-DNC.2018.03.003.aspx\">Disc. Nonlin. Complex. <strong>7<\/strong>, 31 (2018)<\/a>.<\/li>\n<li>\u201cInhomogeneous Heisenberg Spin Chain and Quantum Vortex Filament as Non-Holonomically Deformed NLS Systems\u201d, <strong>K. Abhinav<\/strong> and P. Guha, <a href=\"https:\/\/doi.org\/10.1140\/epjb\/e2018-80542-x\">Eur. Phys. J. B <strong>91<\/strong>, 52 (2018)<\/a>.<\/li>\n<li>\u201cHeisenberg Symmetry and Collective Modes of One Dimensional Unitary Correlated Fermions\u201d, <strong>K. Abhinav<\/strong>, B. Chandrasekhar, V. M. Vyas and P. K. Panigrahi, <a href=\"https:\/\/doi.org\/10.1016\/j.physleta.2016.12.018\">Phys. Lett. A <strong>381<\/strong>, 457 (2017)<\/a>.<\/li>\n<li>\u201cNovel Symmetries in Weyl-invariant Gravity with Massive Gauge Field\u201d, <strong>K. Abhinav<\/strong>, A. Shukla and P. K. Panigrahi, <a href=\"https:\/\/doi.org\/10.1140\/epjc\/s10052-016-4490-1\">Eur. Phys. J. C <strong>76<\/strong>, 639 (2016)<\/a>.<\/li>\n<li>\u201cQuasi-Integrability in Supersymmetric Sine-Gordon Models\u201d, <strong>K. Abhinav<\/strong> and P. Guha, <a href=\"https:\/\/doi.org\/10.1209\/0295-5075\/116\/10004\">EPL <strong>116<\/strong>, 10004 (2016)<\/a>.<\/li>\n<li>\u201cConservation Law for Massive Scale-Invariant Photons in Weyl-Invariant Gravity\u201d, A. Shukla, <strong>K. Abhinav<\/strong> and P. K. Panigrahi, <a href=\"https:\/\/doi.org\/10.1088\/0264-9381\/33\/23\/235008\">Class. Quantum Grav. <strong>33<\/strong>, 235008 (2016)<\/a>.<\/li>\n<li>\u201cQuantum and Thermal Fluctuations and Pair-breaking in Planar QED\u201d, <strong>K. Abhinav<\/strong> and P.<br \/>\nK. Panigrahi, <a href=\"https:\/\/doi.org\/10.1007\/JHEP03(2016)032\">JHEP <strong>2016<\/strong>, 032 (2016)<\/a>.<\/li>\n<li>\u201cSolitons and Spin Transport in Graphene Boundary\u201d, <strong>K. Abhinav<\/strong>, V. M. Vyas and P. K. Panigrahi, <a href=\"https:\/\/doi.org\/10.1007\/s12043-015-1115-4\">Pramana-journal of physics <strong>85<\/strong>, 1023 (2015)<\/a>.<\/li>\n<li>\u201cConserved Correlation in PT-symmetric Systems: Scattering and Bound States\u201d, <strong>K. <\/strong><strong>Abhinav<\/strong>, A. Jayannavar and P. K. Panigrahi, <a href=\"https:\/\/doi.org\/10.1016\/j.aop.2013.01.002\">Annals of Physics <strong>331<\/strong>, 110 (2013)<\/a>.<\/li>\n<li>\u201cGapped solitons and periodic excitations in strongly coupled BECs \u201d, U. Roy, B. Shah, <strong>K. <\/strong><strong>Abhinav<\/strong> and P. K. Panigrahi, <a href=\"https:\/\/doi.org\/10.1088\/0953-4075\/44\/3\/035302\">J. Phys. B: At. Mol. Opt. Phys. <strong>44<\/strong>, 035302 (2011)<\/a>.<\/li>\n<li>\u201cComment on &#8216;Comment on Supersymmetry, PT-symmetry and spectral bifurcation&#8217; \u201d, <strong>K. <\/strong><strong>Abhinav<\/strong> and P. K. Panigrahi, <a href=\"https:\/\/doi.org\/10.1016\/j.aop.2010.10.012\">Annals of Physics <strong>326<\/strong>, 538 (2011)<\/a>.<\/li>\n<li>\u201cSupersymmetry, PT-symmetry and Spectral Bifurcation\u201d, <strong>K. Abhinav<\/strong> and P. K. Panigrahi, <a href=\"https:\/\/doi.org\/10.1016\/j.aop.2010.04.003\">Annals of Physics <strong>325<\/strong>, 1198 (2010)<\/a>.<\/li>\n<\/ol>\n<p>Online tabulations: <a href=\"https:\/\/inspirehep.net\/authors\/1657027\">iNSPIRE-hep<\/a>, <a href=\"https:\/\/arxiv.org\/a\/abhinav_k_1.html\">arXiv<\/a>, <a href=\"https:\/\/scholar.google.com\/citations?user=7HLEgBsAAAAJ&amp;hl=en&amp;authuser=1\">Google Scholar<\/a><\/p>\n<h2>Refereeing service<\/h2>\n<ul>\n<li>Annals of Physics<\/li>\n<li>Classical and Quantum Gravity<\/li>\n<li>Journal of Physics Communication<\/li>\n<\/ul>\n<h2>Official Responsibilities @NAS<\/h2>\n<ol>\n<li>Coordinator, Khao Thong Seminar Series (The Center&#8217;s official seminar series) from 2021-Present.<\/li>\n<li>Co-advisor (Member of the Thesis Advisory Committee) of Ms. Divya Gupta, PhD Candidate, International PhD Program in Theoretical Phyisics and Natural Philosophy of Mahidol University from 2025 onwards.<\/li>\n<li>Supervised Mr. Phinyo Liamchart, presently a Graduate Student in Chiang Mai University, Thailand on a study project in &#8220;Quantum Electrodynamics&#8221; during 5th-16th November 2025 at NAS, Mahidol University, Nakhonsawan Campus.<\/li>\n<\/ol>\n<h2><a href=\"https:\/\/graduate.mahidol.ac.th\/inter\/prospective-students\/?p=curriculum&amp;id=8603D01G\">Teachings @NAS<\/a><\/h2>\n<p>1. <a href=\"http:\/\/graduate.mahidol.ac.th\/engine\/structure\/content\/info_subj.php?id=NWTP50101&amp;lang=inter\">NWTP 501<\/a>: MATHEMATICAL METHODS OF PHYSICS (2 Credits) in the International PhD program of Mahidol University at NAS in Semester 2 of AY 2025. <a href=\"https:\/\/na.mahidol.ac.th\/nas2020\/wp-content\/uploads\/2026\/05\/NWTP501-2026_1.zip\">Course Materials<\/a>.<\/p>\n<p>2. <a href=\"http:\/\/graduate.mahidol.ac.th\/engine\/structure\/content\/info_subj.php?id=NWTP60101&amp;lang=inter\">NWTP601<\/a> : INTEGRABLE SYSTEM (2 Credits) in the International PhD program of Mahidol University at NAS in Semester 1 of AY 2025. <a href=\"https:\/\/na.mahidol.ac.th\/nas2020\/wp-content\/uploads\/2025\/11\/NWTP601-2025-2.zip\">Course Materials<\/a><\/p>\n<p>3. <a href=\"http:\/\/graduate.mahidol.ac.th\/engine\/structure\/content\/info_subj.php?id=NWTP60101&amp;lang=inter\">NWTP601<\/a> : INTEGRABLE SYSTEM (2 Credits) in the International PhD program of Mahidol University at NAS in Semester 2 of AY 2024.\u00a0<a href=\"https:\/\/na.mahidol.ac.th\/nas2020\/wp-content\/uploads\/2025\/11\/NWTP601-2025-1.zip\"> Course Materials<\/a><\/p>\n<p>4. <a href=\"http:\/\/graduate.mahidol.ac.th\/engine\/structure\/content\/info_subj.php?id=NWTP70201&amp;lang=inter\">NWTP702<\/a> : SYMMETRIES AND LIE ALGEBRA IN PHYSICS (2 Credits) in the International PhD program of Mahidol University at NAS in Semester 2 of AY 2024. <a href=\"https:\/\/na.mahidol.ac.th\/nas2020\/wp-content\/uploads\/2025\/11\/NWTP-702-2025.zip\">Course Materials<\/a><\/p>\n<p>5. <a href=\"http:\/\/graduate.mahidol.ac.th\/engine\/structure\/content\/info_subj.php?id=NWTP80101&amp;lang=inter\">NWTP801<\/a> : GEOMETRY AND TOPOLOGY IN PHYSICS (3 Credits) in the International PhD program of Mahidol University at NAS in Semester 1 of AY 2024. <a href=\"https:\/\/na.mahidol.ac.th\/nas2020\/wp-content\/uploads\/2025\/11\/NWTP801_1_2024.zip\">Course Materials<\/a><\/p>\n<p>6. <a href=\"http:\/\/graduate.mahidol.ac.th\/engine\/structure\/content\/info_subj.php?id=NWTP80101&amp;lang=inter\">NWTP801<\/a> : GEOMETRY AND TOPOLOGY IN PHYSICS (3 Credits) in the International PhD program of Mahidol University at NAS in Semester 2 of AY 2023. <a href=\"https:\/\/na.mahidol.ac.th\/nas2020\/wp-content\/uploads\/2025\/11\/NWTP801_2_2023.zip\">Course Materials<\/a><\/p>\n<p>7. <a href=\"http:\/\/graduate.mahidol.ac.th\/engine\/structure\/content\/info_subj.php?id=NWTP70201&amp;lang=inter\">NWTP702<\/a> : SYMMETRIES AND LIE ALGEBRA IN PHYSICS (2 Credits) in the International PhD program of Mahidol University at NAS in Semester 1 of AY 2023. <a href=\"https:\/\/na.mahidol.ac.th\/nas2020\/wp-content\/uploads\/2025\/11\/NWTP-702-2023.zip\">Course Materials<\/a><\/p>\n<p>8. <a href=\"http:\/\/graduate.mahidol.ac.th\/engine\/structure\/content\/info_subj.php?id=NWTP69101&amp;lang=inter\">NWTP691<\/a> : THEORETICAL PHYSICS AND NATURAL PHILOSOPHY SEMINAR (1 Credit) in the International PhD program of Mahidol University at NAS in Semester 1 of AY 2023 &#8211; Semester 2 of AY 2025.<\/p>\n<h2>Invited Talks\/Lectures from NAS<\/h2>\n<ol>\n<li>&#8220;Gauge-invariant mass: Origin, PT -breaking topology and extended gravity&#8221; on 27th of February 2026 at the Department of Physics and Materials Science, Faculty of Science, Chiang Mai University.<\/li>\n<li>&#8220;Some aspects of PT-symmetry: Real Spectra, Gauge Mass and Quasi-integrability&#8221; on 23rd of January 2026 at the School of Science, University of Phayao.<\/li>\n<li>&#8220;PT-symmetric quantum systems: Overview and uses&#8221; (Online) on 16th of July 2025 at QSQT-2025, Siksha O&#8217; Anusandhan University, India.<\/li>\n<li>&#8220;Abelian Gauge Theory and its Quantization&#8221; on 26th June 2025 at SHEAP-2025-Road to QED at NAS, Mahidol University, Nakhonsawan Campus.<\/li>\n<li>&#8220;Interplay of Non-locality and Mass in Gauge Systems&#8221; (Online) on 18th June 2025 at APGC-2025, GLA University, India.<\/li>\n<li>&#8220;Non-local Correlation in PT-Symmetric Systems and Possibility of Entanglement&#8221; (Online) on 15th June 2022 at QIQT-2022, IISER Kolkata, India.<\/li>\n<li>&#8220;Localized Behavior of Deformed Nonlinear Models&#8221; on 11th June 2022 at NAS-IF Summer School, IF, Naresuan University, Thailand.<\/li>\n<li>&#8220;Complex Analysis&#8221; on 31st May 2022 at NAS-IF Joint School, IF, Naresuan University, Thailand.<\/li>\n<li>&#8220;PT-symmetric and Pseudo-Hermitian Systems: Hilbert space, scattering and other aspects&#8221; (Online) on 11th July 2021 at QIQT-2021, IISER Kolkata, India.<\/li>\n<li>&#8220;Introduction to Quantum Field Theory&#8221; (Online) on 31st July 2021 at NAS-IF Joint School on Theoretical Physics, IF, Naresuan University, Thailand.<\/li>\n<\/ol>\n<h2>Institute Seminars in NAS<\/h2>\n<ol>\n<li>&#8220;Aspects of mass generation and anomalies&#8221; on 8th July 2025 at Khao Thong Seminar, NAS, Mahidol University, Nakhonsawan Campus.<\/li>\n<li>&#8220;Gauge Mass, Effective Models and Quantization&#8221; on 24th December 2024\u00a0at Khao Thong Seminar, NAS, Mahidol University, Nakhonsawan Campus.<\/li>\n<li>&#8220;Nonlocal Massive Gauge Models and the Role of Duality: Part 2&#8221; on 12th February 2024\u00a0at Khao Thong Seminar, NAS, Mahidol University, Nakhonsawan Campus.<\/li>\n<li>&#8220;Nonlocal Massive Gauge Models and the Role of Duality: Part 1&#8221; on 29th Jan 2024\u00a0at Khao Thong Seminar, NAS, Mahidol University, Nakhonsawan Campus.<\/li>\n<li>&#8220;Complex KdV breathers from PT-symmetric structures obtained through<br \/>\nsupersymmetry&#8221; on 20th February 2023 at Khao Thong Seminar, NAS, Mahidol University, Nakhonsawan Campus.<\/li>\n<li>&#8220;Supersymmetric techniques in Quantum Mechanics: An overview&#8221; on 8th August 2022\u00a0at Khao Thong Seminar, NAS, Mahidol University, Nakhonsawan Campus.<\/li>\n<li>&#8220;Introduction to conformal field theories&#8221; on 17 January 2022\u00a0at Khao Thong Seminar, NAS, Mahidol University, Nakhonsawan Campus.<\/li>\n<li>&#8220;Introduction to Symmetries in Physics&#8221; on 16th August 2021 at Khao Thong Seminar, NAS, Mahidol University, Nakhonsawan Campus.<\/li>\n<\/ol>\n<p>Further details can be found in my <a href=\"https:\/\/na.mahidol.ac.th\/nas2020\/wp-content\/uploads\/2025\/11\/CV_NOW.pdf\">CV<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":9,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-671","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/na.mahidol.ac.th\/nas2020\/wp-json\/wp\/v2\/pages\/671","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/na.mahidol.ac.th\/nas2020\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/na.mahidol.ac.th\/nas2020\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/na.mahidol.ac.th\/nas2020\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/na.mahidol.ac.th\/nas2020\/wp-json\/wp\/v2\/comments?post=671"}],"version-history":[{"count":7,"href":"https:\/\/na.mahidol.ac.th\/nas2020\/wp-json\/wp\/v2\/pages\/671\/revisions"}],"predecessor-version":[{"id":678,"href":"https:\/\/na.mahidol.ac.th\/nas2020\/wp-json\/wp\/v2\/pages\/671\/revisions\/678"}],"wp:attachment":[{"href":"https:\/\/na.mahidol.ac.th\/nas2020\/wp-json\/wp\/v2\/media?parent=671"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}