PEOPLE Faculty
Subhro Bhattacharjee
ICTS-TIFR, Bengaluru
Area of Research:  Condensed Matter Physics: Strongly Correlated Systems
  +91 80 4653 6250    
H-207
  subhro  ictsresin

 

Prospective Project/Summer students : Please apply for ICTS positions here : Summer Students, Project students before emailing me. 

ICTS Condensed Matter Seminar Series : previous talks

Academic Profile:

  • Post-Doctoral Fellow, Max Planck Institute for the Physics of Complex Systems, Dresden, Germany. (2014-2015)
  • Post-Doctoral Fellow, University of Toronto & McMaster University, Canada. (2011-2013)
  • PhD, Physics, Indian Institute of Science, Bangalore, India (2010)
  • MS, Physics, Indian Institute of Science, Bangalore, India (2007).
  • BSc, Physics, Presidency College, Kolkata, India. (2004).

Research Interests:

I am interested in quantum many-body physics. My current research focuses on :

  • Magnetism (Frustrated magnets, quantum spin liquids).
  • Topological phases of condensed matter.
  • Physics of transition metal oxides (Interplay of spin-orbit coupling and electron correlations).
  • Strongly correlated metals.
  • Many-body Chaos.

Group Members:

  1. Basudeb Mondal, Graduate student 
  2. Ankush Chaubey, Graduate Student
  3. Harsh Nigam, Graduate student
  4. Sibaram Ruidas, Postdoctoral fellow

Ex members :

          PhD Students :

  1. Animesh Nanda (2016-2022), Morgan Stanley, Mumbai. 
  2. Arnab Seth (2019-2022), Postdoctoral Fellow, Georgia Institute of Technology, USA.
  3. Monica Bapna, (2019-2023)

Postdoctoral fellows :

  1. Kusum Dhochak (March 2016-December 2017) [Assistant Professor at IIT Palakkad, India]
  2. Sambuddha Sanyal (September 2015-March 2017) [Assistant Professor at IISER Tirupati, India]
  3. Saurish Chakrabarty (March 2016-June 2018) [Assistant Professor at Acharya Prafulla Chandra College, Kolkata, India]
  4. Adhip Agarwala (July 2018-March 2021) [Assistant Professor, IIT Kanpur, India]
  5. Abhishodh Prakash (September 2018-July 2021) [Postdoctoral Fellow at Oxford University, UK] 
  6. Aabhaas Mallik, (November 2018-September 2021) [Assistant Professor, BITS, Goa]
  7. Bhaskar Mukherjee, (April 2021-October 2021)

Masters and project students :

  1. Jyotirmoy Roy, Masters Project Student (September 2015-March 2016) [Currently PhD student at University of Toronto]
  2. Naren Manjunath, Project Student (June 2016-May 2017) [Currently a PhD student in Univ. of Maryland]
  3. Aswin P. M., IASc. summer fellow 2017 [currently graduate student at ICTS]
  4. Sushmita Singh, Masters Project Student (April 2017-March 2018) [Currently a graduate student at Univ. of Minnesota]
  5. Apoorva Singh, IASc. summer fellow, 2018 [Currently at IIT Roorkee]
  6. Anshumitra Baul, Masters student April 2018-March 2019. [Currently at SUNY, New York]
  7. Sayan Banerjee, S. N. Bhatt summer student, June-July, 2019. [Currently at Max-Planck Institute of Solid State Research, Stuttgart]
  8. Prateek Mukhati, Masters student [Currently a PhD student in LPT France]
  9. Dheeraj Kumar, Project Student [Currently a PhD student at University of Paris, France]

 

Publications:

  1. Phases and phase transitions in a dimerized spin-1/2 XXZ chain, Harsh Nigam, Ashirbad Padhan, Diptiman Sen, Tapan Mishra, and Subhro Bhattacharjee, arXiv:2408.14474 (2024).
  2. Variational wave-functions for correlated metals, Ankush Chaubey, Harsh Nigam, Subhro Bhattacharjee, Krishnendu Sengupta, arXiv:2408.00834 (2024).
  3. Emergent SU(8) Dirac semimetal and novel proximate phases of spin-orbit coupled fermions on a honeycomb lattice, Basudeb Mondal, Vijay B. Shenoy, Subhro Bhattacharjee, Phyical Review B 108, 245106 (2023). [preprint].
  4. Ab-initio Insights on the Fermiology of d1 Transition metals in Honeycomb lattice : Hierarchy of hopping pathways and spin-orbit coupling, Manoj Gupta, Basudeb Mondal, Subhro Bhattacharjee, Tanusri Saha-Dasgupta, Physical Review Research 5, 043219 (2023). [preprint].
  5. Strong coupling of lattice and orbital excitations in quantum magnet Ca10Cr7O28: Anomalous temperature dependence of Raman phonons, Srishti Pal, Arnab Seth, Anzar Ali, Yogesh Singh, D. V. S. Muthu, Subhro Bhattacharjee, A. K. Sood, Physical Review B (Letters) 108, L241103 (2023) [preprint].
  6. Tuning the magnetic properties in MPS3 (M = Mn, Fe, and Ni) by proximity-induced Dzyaloshinskii Moriya interactions, Suvodeep Paul, Devesh Negi, Saswata Talukdar, Saheb Karak, Shalini Badola, Bommareddy Poojitha, Manasi Mandal, Sourav Marik, R. P. Singh, Nashra Pistawala, Luminita Harnagea, Aksa Thomas, Ajay Soni, Subhro Bhattacharjee, Surajit Saha, preprint arXiv : 2307.13400 (2023).
  7. Anyon dynamics in field-driven phases of the anisotropic Kitaev model, Shi Feng, Adhip Agarwala, Subhro Bhattacharjee, Nandini Trivedi, Physical Review B 108, 035149 (2023). [preprint]
  8. Elastic signatures of a spin-nematic, Monica Bapna and Subhro Bhattacharjee, preprint arXiv:2305.18995 (2023).
  9. Magnetism and unconventional topology in LaCoO3/SrIrO3 heterostructure, Samir Rom, Santu Baidya, Subhro Bhattacharjee, Tanusri Saha-Dasgupta, Applied Physics Letters 122, 021602 (2023).

  10. Tensor Electromagnetism and Emergent Elasticity in Jammed Solids, Jishnu N. Nampoothiri, Michael D'Eon, Kabir Ramola, Bulbul Chakraborty, Subhro Bhattacharjee, Physical Review E 106, 065004 (2022) [preprint].

  11. Spin–orbital liquid state and liquid–gas metamagnetic transition on a pyrochlore lattice, Nan Tang, Yulia Gritsenko, Kenta Kimura, Subhro Bhattacharjee, Akito Sakai, Mingxuan Fu, Hikaru Takeda, Huiyuan Man, Kento Sugawara, Yosuke Matsumoto, Yasuyuki Shimura, Jiajia Wen, Collin Broholm, Hiroshi Sawa, Masashi Takigawa, Toshiro Sakakibara, Sergei Zherlitsyn, Joachim Wosnitza, Roderich Moessner & Satoru Nakatsuji,  Nature Physics (2022)

  12. Probing octupolar hidden order via impurity-induced strain, Sreekar Voleti, Koushik Pradhan, Subhro Bhattacharjee, Tanusri Saha-Dasgupta, Arun Paramekanti, preprint arXiv: 2211.07666 (2022).

  13. Probing emergent QED in quantum spin ice via Raman scattering of phonons: shallow inelastic scattering and pair production, Arnab Seth, Subhro Bhattacharjee, and Roderich Moessner, Physical Review B 106, 054507 (2022) [preprint].

  14. Probing signatures of fractionalisation in candidate quantum spin liquid Cu2IrO3 via anomalous Raman scattering, Srishti Pal, Arnab Seth, Piyush Sakrikar, Anzar Ali, Subhro Bhattacharjee, D. V. S. Muthu, Yogesh Singh, A. K. Sood, Physical Review B 104, 184420 (2021) [preprint].

  15. Phases and Quantum Phase Transitions in Anisotropic Antiferromagnetic Kitaev-Heisenberg-Γ magnet, Animesh Nanda, Adhip Agarwala, Subhro Bhattacharjee, Physical Review B, 104, 195115 (2021); [preprint]

  16. Many-body Chaos in Thermalised Fluids, Sugan Murugan, Dheeraj Kumar, Subhro Bhattacharjee, Samriddhi Sankar Ray,  Physical Review Letters 127, 124501 (2021) [preprint].

  17. Statistics tuned entanglement of the boundary modes in coupled Su-Schrieffer-Heeger chains, Saikat Santra, Adhip Agarwala, Subhro Bhattacharjee, Physical Review B 103, 195134 (2021); [preprint].

  18. Classical many-body chaos with and without quasiparticles, Thomas Bilitewski, Subhro Bhattacharjee, Roderich Moessner,  Physical Review B 103, 174302 (2021); [preprint].

  19. Gapless state of interacting Majorana fermions in a strain-induced Landau level, Adhip Agarwala, Subhro Bhattacharjee, Johannes Knolle, Roderich Moessner, Physical Review B 103, 134427 (2021); [preprint].

  20. Phases and Quantum Phase Transitions in an Anisotropic Ferromagnetic Kitaev-Heisenberg- Γ Magnet, Animesh Nanda, Kusum Dhochak, Subhro Bhattacharjee, Physical Review B 102, 235124 (2020); [preprint].

  21. Emergent Elasticity in Amorphous Solids, Jishnu N. Nampoothiri, Yinqiao Wang, Kabir Ramola, Jie Zhang, Subhro Bhattacharjee, Bulbul Chakraborty, Physical  Review Letters 125, 118002 (2020); [preprint].

  22. Signatures of a Spin-1/2 Cooperative Paramagnet in the Diluted Triangular Lattice of Y2CuTiO6, S. Kundu, Akmal Hossain, Pranava Keerthi S., Ranjan Das, M. Baenitz, Peter J. Baker, Jean-Christophe Orain, D. C. Joshi, Roland Mathieu, Priya Mahadevan, Sumiran Pujari, Subhro Bhattacharjee, A. V. Mahajan, and D. D. Sarma, Physical Review Letters 125, 117206 (2020); [preprint].

  23. Interplay of Magnetism and Topological Superconductivity in Bilayer Kagome Metals, Santu Baidya, Aabhaas Vineet Mallik, Subhro Bhattacharjee, Tanusri Saha-Dasgupta, Physical Review Letters 125, 026401(2020); [preprint].

  24. Topological and conventional phases of a three dimensional electron glass, Prateek Mukati, Adhip Agarwala, Subhro Bhattacharjee, Physical Review B 101, 035102 (2020); [preprint].

  25. Statistics-tuned phases of pseudofermions in one dimension, Adhip Agarwala, Gaurav Kumar Gupta, Vijay B. Shenoy, Subhro Bhattacharjee, Physical Review B 99, 165125 (2019); [preprint]

  26. Interplay of uniform U(1) quantum spin liquid and magnetic phases in rare earth pyrochlore magnets : a fermionic parton approach, Sambuddha Sanyal, Kusum Dhochak, Subhro Bhattacharjee, Physical Review B 99, 134425 (2019); [preprint]

  27. Temperature dependence of butterfly effect in a classical many-body system, Thomas Bilitewski, Subhro Bhattacharjee, Roderich Moessner, Physical review Letters 121, 250602 (2018); [preprint].

  28. Dynamics of a quantum spin liquid beyond integrability - The Kitaev-Heisenberg-Gamma model in an augmented parton mean-field theory, J. Knolle, Subhro Bhattacharjee, Roderich Moessner, Physical Review B 97, 134432 (2018); [preprint].

  29. Light-cone spreading of perturbations and the butterfly effect in a classical spin chain, Avijit Das, Saurish Chakrabarty, Abhishek Dhar, Anupam Kundu, David A. Huse, Roderich Moessner, Samriddhi Sankar Ray, Subhro Bhattacharjee, Physical Review Letters 121, 024101 (2018); [preprint]

  30. Anomalous dispersion of microcavity trion-polaritons, S. Dhara, C. Chakraborty, K. M. Goodfellow, L. Qiu, T. A. O’Loughlin, G. W. Wicks, Subhro Bhattacharjee  A. N. Vamivakas, Nature Physics, October (2017)

  31. Electric field control of emergent electrodynamics in quantum spin ice, Etienne Lantagne-Hurtubise, Subhro Bhattacharjee, Roderich Moessner, Physical Review B 96, 125145 (2017) [preprint]

  32. Bridging coupled wires and lattice Hamiltonian for two-component bosonic quantum Hall states, Y. Fuji, Y.-C. He, S. Bhattacharjee, F. Pollmann, Physical Review B 93, 195143(2016); [preprint].

  33. Proximate Kitaev spin liquid behaviour in α-RuCl3, A. Banerjee, C. A. Bridges, J. Q.  Yan, A. A. Aczel, L. Li, M. B. Stone, G. E. Granroth, M. D. Lumsden, Y. Yiu, J. Knolle, D. L. Kovrizhin, Subhro Bhattacharjee, R. Moessner, D. A. Tennant, D. G. Mandrus, S. E. Nagler, Nature Materials 15, 733 (2016); [preprint].

  34. Vacancies in the Kitaev quantum spin liquids on the 3D hyper-honeycomb lattice, G. J.  Sreejith, Subhro Bhattacharjee, R. Moessner, Physical Review B 93, 064433 (2016); [preprint].

  35. Kagome spin liquid: a deconfined critical phase driven by U(1) gauge fluctuation, Y. C. He, Y. Fuji, Subhro Bhattacharjee,  [preprint].

  36. Acoustic signatures of the phases and phase transitions in Yb2Ti2O7, Subhro Bhattacharjee, S. Erfanifam, E. L. Green, M. Naumann, Z. Wang, S. Granovski, M.  Doerr, J. Wosnitza, A. A. Zvyagin, R. Moessner, A. Maljuk, S. Wurmehl, B. Büchner, S. Zherlitsyn, Physical Review B 93, 144412 (2016); [preprint].

  37. Kagome chiral spin liquid as a gauged U (1) symmetry protected topological phase, Y. C.  He, S. Bhattacharjee, F. Pollmann, R. Moessner, Physical Review Letters 115, 267209 (2015); [preprint].

  38. Bosonic Integer Quantum Hall effect in an interacting lattice model, Y. C. He, Subhro Bhattacharjee, R. Moessner, F. Pollmann, Physical Review Letters 115, 116803 (2015); [preprint]

  39. Z2 topological liquid of hard-core bosons on a kagome lattice at 1/3 filling, K. Roychowdhury, Subhro Bhattacharjee, F. Pollmann, Physical Review B 92, 075141 (2015); [preprint].

  40. Phases and phase transitions of a perturbed Kekule Kitaev Model, E. Quinn, Subhro Bhattacharjee, R. Moessner, Physical Review B 91, 134419 (2015);  [preprint].

  41. Ab initio Holography, P. Lunts, Subhro Bhattacharjee, J. Miller, E. Schnetter, Y. B. Kim, S. -S. Lee, Journal of High energy Physics 107 (2015); [preprint].

  42. Signatures of spin-triplet excitations in optical conductivity of valence bond solids, K. Hwang, Subhro Bhattacharjee, Y. B. Kim, New Journal of Physics 16, 123009 (2014); [preprint].

  43. Topological and magnetic phases with strong spin-orbit coupling on the hyperhoneycomb lattice, E.-K.-H. Lee, Subhro Bhattacharjee, K. Hwang, H.-S. Kim, H. Jin, Y. B. Kim, Physical Review B 89, 205132 (2014); [preprint].

  44. Heisenberg-Kitaev model on the hyperhoneycomb lattice, E.-K.-H Lee, R. Schaffer, Subhro Bhattacharjee, Y. B. Kim, Physical Review B 89, 045117 (2013); [preprint].

  45. Quantum spin liquids in the absence of spin-rotation symmetry: Application to herbertsmithite, T. Dodds, Subhro Bhattacharjee, Y. B. Kim, Physical Review B 88, 224413 (2013); [preprint].

  46. Spin-orbital liquids in non-Kramers magnets on the kagome lattice, R. Schaffer, Subhro Bhattacharjee, Y. B. Kim, Physical Review B 88, 174405 (2013); [preprint].

  47. Magnetic excitation spectra in pyrochlore iridates, E.-K.-H Lee, Subhro Bhattacharjee, Y. B. Kim, Physical Review B 87, 214416 (2013); [preprint].

  48. Three-dimensional nematic spin liquid in a stacked triangular lattice 6 H-B structure, K. Hwang, T. Dodds, Subhro Bhattacharjee, Y. B. Kim, Physical Review B 87, 235103 (2013); [preprint].

  49. Quantum phase transition in Heisenberg-Kitaev model, R. Schaffer, Subhro Bhattacharjee, Y. B. Kim, Physical Review B 86, 224417 (2012); [preprint].

  50. Spin–orbital locking, emergent pseudo-spin and magnetic order in honeycomb lattice iridates, Subhro Bhattacharjee, S.-S. Lee, Y. B. Kim, New Journal of Physics 14, 073015 (2012); [preprint].

  51. Fractionalized topological insulators from frustrated spin models in three dimensions, Subhro Bhattacharjee, Y. B. Kim, S.-S. Lee, D. H. Lee, Physical Review B 85, 224428 (2012); [preprint]. 

  52. Confinement-deconfinement transition and spin correlations in a generalized Kitaev model, S. Mandal, Subhro Bhattacharjee, K. Sengupta, R. Shankar, G. Baskaran, Physical Review B 84, 155121 (2011); [preprint].

  53. Quantum destruction of spiral order in two-dimensional frustrated magnets, Subhro Bhattacharjee, Physical Review B 84, 104430 (2011); [preprint].

  54. Interplay of spin and lattice degrees of freedom in the frustrated antiferromagnet CdCr2O4: High-field and temperature-induced anomalies of the elastic constants, Subhro Bhattacharjee, S. Zherlitsyn, O. Chiatti, A. Sytcheva, J. Wosnitza, R. Moessner, M. E. Zhitomirsky, P. Lemmens, V. Tsurkan, A. Loidl, Physical Review B 83, 184421(2011); [preprint]

  55. Lattice Instabilities in the Frustrated Magnet CdCr2O4: An Ultrasonic Study, S. Zherlitsyn, O. Chiatti, A. Sytcheva, J. Wosnitza, S. Bhattacharjee, R. Moessner, M. Zhitomirsky, P. Lemmens, V. Tsurkan, A. Loidl, Journal of Low Temperature Physics 79, 134 (2010).

  56. Theory of tunneling conductance of graphene normal metal-insulator-superconductor junctions, Subhro Bhattacharjee, M. Maiti, K. Sengupta, Physical Review B 76, 184514 (2007); [preprint].

  57. Tunneling conductance of graphene NIS junctions, Subhro Bhattacharjee, K. Sengupta, Physical Review Letters 97, 217001 (2006); [preprint].

  58. Possible ferro-spin nematic order in NiGa2 S4, Subhro Bhattacharjee, V. B. Shenoy, T. Senthil, Physical Review B 74, 092406 (2006); [preprint].