Publications

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1. F. Gaggioli, Y. Hou, J. S. Moodera, and A. Kamra. Nonreciprocity of supercurrent along applied magnetic field. arXiv:2405.05306.

2. L. Siegl, R. Schlitz, J. Ben Youssef, C. Runge, A. Kamra, W. Legrand, H. Huebl, M. Lammel, and S. T. B. Goennenwein. Inductive magnon noise spectroscopy. arXiv:2404.17327.

3. S. Chourasia, A. Svetogorov, A. Kamra, and W. Belzig. Thermodynamic properties of a superconductor interfaced with an altermagnet. arXiv:2403.10456. 

4. D. Caso, A. García-Prieto, E. Sebastiani-Tofano, A. Kamra, C. Hernández, P. Prieto, and F. G. Aliev. Standing spin waves in Permalloy-NiO bilayers as a probe of the interfacial exchange coupling. arXiv:2402.10292.

5. R. Schlitz, M. Grammer, T. Wimmer, J. Gückelhorn, L. Flacke, S. T. B. Goennenwein, R. Gross, H. Huebl, A. Kamra, and M. Althammer. Electrically induced angular momentum flow between separated ferromagnets. arXiv:2311.05290. 

6. P. A. Pantazopoulos, J. Feist, A. Kamra, and F. J. García-Vidal. Electrostatic nature of cavity-mediated interactions between low-energy matter excitations. Phys. Rev. B 109, L201408 (2024) (Editors' suggestion).

7. P. A. Pantazopoulos, J. Feist, F. J. García-Vidal, and A. Kamra. Unconventional magnetism mediated by spin-phonon-photon coupling. Nature Communications 15, 4000 (2024).

8. A.-L. E. Römling and A. Kamra. Quantum sensing of antiferromagnetic magnon two-mode squeezed vacuum. Phys. Rev. B 109, 174410 (2024). 

9. G. A. Bobkov, V. M. Gordeeva, L. J. Kamra, S. Chourasia, A. M. Bobkov, A. Kamra, and I. V. Bobkova. Superconducting spin valves based on antiferromagnet/superconductor/antiferromagnet heterostructures. Phys. Rev. B 109, 184504 (2024).

10. D. Caso, A. Serrano, M. Jaafar, P. Prieto, A. Kamra, C. González-Ruano, and F. G. Aliev. Microwave Field Induced Changes in Raman Modes and Magnetic Force Images of Antiferromagnetic NiO Films. Condens. Matter  9, 7 (2024) (Special Issue).

11. L. J. Kamra, S. Chourasia, G. A. Bobkov, V. M. Gordeeva, I. V. Bobkova, and A. Kamra. Complete Tc suppression and Néel triplets mediated exchange in antiferromagnet-superconductor-antiferromagnet trilayers. Phys. Rev. B 108, 144506 (2023).

12. L. Siegl, M. Lammel, A. Kamra, H. Huebl, W. Belzig, and S. T. B. Goennenwein. Electrical detectability of magnon-mediated spin current shot noise. Phys. Rev. B 108, 144420 (2023) (Editors' suggestion).

13. A. E. Römling, A. Vivas-Viaña, C. Sánchez Muñoz, and A. Kamra. Resolving nonclassical magnon composition of a magnetic ground state via a qubit. Phys. Rev. Lett. 131, 143602 (2023).

14. M. Scheufele, J. Gückelhorn, M. Opel, A. Kamra, H. Huebl, R. Gross, S. Geprägs, and M. Althammer. Impact of magnetic anisotropy on the magnon Hanle effect in α-Fe2O3. APL Mater. 11, 091115 (2023).

15. L. J. Kamra and A. Kamra. Using superconductivity to control magnetism: a facet of superconducting spintronics. Europhysics News 54, 24 (2023) (Invited feature).

16. F. Long, M. Ghorbani-Asl, K. Mosina, Y. Li, K. Lin, F. Ganss, R. Hübner, Z. Sofer, F. Dirnberger, A. Kamra, A. V. Krasheninnikov, S. Prucnal, M. Helm, and S. Zhou. Ferromagnetic interlayer coupling in CrSBr crystals irradiated by ions. Nano Letters 23, 8468 (2023).

17. M. Weißenhofer, H. Lange, A. Kamra, S. Mankovsky, S. Polesya, H. Ebert, and U. Nowak. Rotationally invariant formulation of spin-lattice coupling in multi-scale modeling. Phys. Rev. B 108, L060404 (2023).

18. S. Chourasia, L. J. Kamra, I. V. Bobkova, and A. Kamra. Generation of spin-triplet Cooper pairs via a canted antiferromagnet. Phys. Rev. B 108, 064515 (2023).

19. F. Dirnberger, J. Quan, R. Bushati, G. M. Diederich, M. Florian, J. Klein, K. Mosina, Z. Sofer, X. Xu, A. Kamra, F. J. García-Vidal, A. Alù, and V. M. Menon. Magneto-optics in a van der Waals magnet tuned by self-hybridized polaritons. Nature 620, 533 (2023).

20. Y. Hou, F. Nichele, H. Chi, A. Lodesani, Y. Wu, M. F. Ritter, D. Z. Haxell, M. Davydova, S. Ilić, O. Glezakou-Elbert, A. Varambally, F. S. Bergeret, A. Kamra, L. Fu, P. A. Lee, and J. S. Moodera. Ubiquitous superconducting diode effect in superconductor thin films. Phys. Rev. Lett. 131, 027001 (2023) (Editors' suggestion and Featured in Physics as well as Phys.org).

21. J. Gückelhorn, S. de-la-Peña, M. Grammer, M. Scheufele, M. Opel, S. Geprägs, J. C. Cuevas, R. Gross, H. Huebl, A. Kamra, and M. Althammer. Observation of the nonreciprocal magnon Hanle effect. Phys. Rev. Lett. 130, 216703 (2023).

22. A. Kamra and L. G. Johnsen. Nanoscale spin waves get excited. Nature Physics 19, 469 (2023) (Invited N&V).

23. C. Lüthi, L. Flacke, A. Aqeel, A. Kamra, R. Gross, C. Back, and M. Weiler. Hybrid magnetization dynamics in Cu2OSeO3/NiFe heterostructures. Appl. Phys. Lett. 122, 012401 (2023).

24. H. Y. Yuan, W. P. Sterk, A. Kamra, and R. A. Duine. Master equation approach to magnon relaxation and dephasing. Phys. Rev. B 106, 224422 (2022).

25. I. V. Bobkova, A. M. Bobkov, A. Kamra, and W. Belzig. Magnon-cooparons in magnet-superconductor hybrids. Communications Materials 3, 95 (2022).

26. G. A. Bobkov, I. V. Bobkova, A. M. Bobkov, and A. Kamra. Néel proximity effect at antiferromagnet/superconductor interfaces. Phys. Rev. B 106, 144512 (2022).

27. M. Amundsen, I. V. Bobkova, and A. Kamra. Magnonic spin Joule heating and rectification effects. Phys. Rev. B 106, 144411 (2022).

28. D. Suri, A. Kamra, T. N. G. Meier, M. Kronseder, W. Belzig, C. H. Back, and C. Strunk. Non-reciprocity of vortex-limited critical current in conventional superconducting micro-bridges. Appl. Phys. Lett. 121, 102601 (2022) (Editor's pick).

29. H. Y. Yuan, W. P. Sterk, A. Kamra, and R. A. Duine. Pure dephasing of magnonic quantum states. Phys. Rev. B 106, L100403 (2022).

30. S. de-la-Peña, R. Schlitz, S. Vélez, J. C. Cuevas, and A. Kamra. Theory of drift-enabled control in nonlocal magnon transport. J. Phys.: Condens. Matter 34, 295801 (2022).

31. H. Y. Yuan, Y. Cao, A. Kamra, R. A. Duine, and P. Yan. Quantum magnonics: When magnon spintronics meets quantum information science. Physics Reports 965, 1-74 (2022) (Review article).

32. J. Gückelhorn, A. Kamra, T. Wimmer, M. Opel, S. Geprägs, R. Gross, H. Huebl, and M. Althammer. Influence of low-energy magnons on magnon Hanle experiments in easy-plane antiferromagnets. Phys. Rev. B 105, 094440 (2022).

33. R. Mondal and A. Kamra. Spin pumping at terahertz nutation resonances. Phys. Rev. B 104, 214426 (2021).

34. I. C. Skogvoll, J. Lidal, J. Danon, and A. Kamra. Tunable anisotropic quantum Rabi model via a magnon--spin-qubit ensemble. Phys. Rev. Applied 16, 064008 (2021).

35. M. K. Hope, M. Amundsen, D. Suri, J. S. Moodera, and A. Kamra. Interfacial control of vortex-limited critical current in type II superconductor films. Phys. Rev. B 104, 184512 (2021).

36. H. Y. Yuan, A. Kamra, D. M. F. Hartmann, and R. A. Duine. Electrically switchable entanglement channel in van der Waals magnets. Phys. Rev. Applied 16, 024047 (2021).

37. D. M. F. Hartmann, J. J. Wouters, D. Schuricht, R. A. Duine, and A. Kamra. Intersublattice entanglement entropy as an extensive property in antiferromagnets. Phys. Rev. B 104, 064436 (2021).

38. R. Schlitz, S. Vélez, A. Kamra, C.-H. Lambert, M. Lammel, S. T. B. Goennenwein, and P. Gambardella. Control of Nonlocal Magnon Spin Transport via Magnon Drift Currents. Phys. Rev. Lett. 126, 257201 (2021) (Editors’ suggestion and Featured in Physics).

39. R. E. Troncoso, M. A. Lund, A. Brataas, and A. Kamra. Cross-sublattice spin pumping and magnon level attraction in van der Waals antiferromagnets. Phys. Rev. B 103, 144422 (2021).

40. G. A. Bobkov, I. V. Bobkova, A. M. Bobkov, and A. Kamra. Thermally induced spin torque and domain-wall motion in superconductor/antiferromagnetic-insulator bilayers. Phys. Rev. B 103, 094506 (2021).

41. M. Müller, L. Liensberger, L. Flacke, H. Huebl, A. Kamra, W. Belzig, R. Gross, M. Weiler, and M. Althammer. Temperature-dependent spin-transport and current-induced torques in superconductor-ferromagnet heterostructures. Phys. Rev. Lett. 126, 087201 (2021).

42. M. Rocci, D. Suri, A. Kamra, G. Vilela, Y. Takamura, N. M. Nemes, J. L. Martinez, M. G. Hernandez, and J. S. Moodera. Large Enhancement of Critical Current in Superconducting Devices by Gate Voltage. Nano Letters 21, 216 (2021).

43. A. Ross, R. Lebrun, L. Baldrati, A. Kamra, O. Gomonay, S. Ding, F. Schreiber, D. Backes, F. Maccherozzi, D. A. Grave, A. Rothschild, J. Sinova, and M. Kläui. An insulating doped antiferromagnet with low magnetic symmetry as a room temperature spin conduit. Appl. Phys. Lett. 117, 242405 (2020).

44. T. Wimmer, A. Kamra, J. Gückelhorn, M. Opel, S. Geprägs, R. Gross, H. Huebl, and M. Althammer. Observation of Antiferromagnetic Magnon Pseudospin Dynamics and the Hanle Effect. Phys. Rev. Lett. 125, 247204 (2020).

45. A. Kamra, T. Wimmer, H. Huebl, and M. Althammer. Antiferromagnetic magnon pseudospin: Dynamics and diffusive transport. Phys. Rev. B 102, 174445 (2020).

46. A. T. G. Janssønn, H. T. Simensen, A. Kamra, A. Brataas, and S. H. Jacobsen. Macroscale nonlocal transfer of superconducting signatures to a ferromagnet in a cavity. Phys. Rev. B 102, 180506(R) (2020).

47. A. Kamra, W. Belzig, and A. Brataas. Magnon-squeezing as a niche of quantum magnonics. Appl. Phys. Lett. 117, 090501 (2020) (Invited Perspective).

48. A. Rezaei, R. Hussein, A. Kamra, and W. Belzig. Phase-controlled spin and charge currents in superconductor-ferromagnet hybrids. Phys. Rev. Research 2, 033336 (2020).

49. E. Thingstad, A. Kamra, J. W. Wells, and A. Sudbø. Phonon-mediated superconductivity in doped monolayer materials. Phys. Rev. B 101, 214513 (2020).

50. H. T. Simensen, A. Kamra, R. E. Troncoso, and A. Brataas. Magnon decay theory of Gilbert damping in metallic antiferromagnets. Phys. Rev. B 101, 020403(R) (2020).

51. D. M. Polishchuk, A. Kamra, T. I. Polek, A. Brataas, and V. Korenivski. Angle resolved relaxation of spin currents by antiferromagnets in spin valves. Phys. Rev. Lett. 123, 247201 (2019).

52. A. Kamra, E. Thingstad, G. Rastelli, R. A. Duine, A. Brataas, W. Belzig, and A. Sudbø. Antiferromagnetic magnons as highly squeezed Fock states underlying quantum correlations. Phys. Rev. B 100, 174407 (2019).

53. Ø. Johansen, A. Kamra, C. Ulloa, A. Brataas, and R. A. Duine. Magnon-mediated indirect exciton condensation through antiferromagnetic insulators. Phys. Rev. Lett. 123, 167203 (2019).

54. E. Erlandsen, A. Kamra, A. Brataas, and A. Sudbø. Enhancement of superconductivity mediated by antiferromagnetic squeezed magnons. Phys. Rev. B 100, 100503(R) (2019) (Editors' suggestion).

55. L. Liensberger, A. Kamra, H. Maier-Flaig, S. Geprägs, A. Erb, S. T. B. Goennenwein, R. Gross, W. Belzig, H. Huebl, and M. Weiler. Exchange-enhanced ultrastrong magnon-magnon coupling in a compensated ferrimagnet. Phys. Rev. Lett. 123, 117204 (2019).

56. S. A. Bender, A. Kamra, W. Belzig, and R. A. Duine. Spin current cross-correlations as a probe of magnon coherence. Phys. Rev. Lett. 122, 187701 (2019) (Editors’ suggestion and Featured in Physics as well as Phys.org).

57. A. Kamra, D. M. Polishchuk, V. Korenivski, and A. Brataas. Anisotropic and controllable Gilbert-Bloch dissipation in spin valves. Phys. Rev. Lett. 122, 147201 (2019).

58. E. Thingstad, A. Kamra, A. Brataas, and A. Sudbø. Chiral phonon transport induced by topological magnons. Phys. Rev. Lett. 122, 107201 (2019).

59. H. T. Simensen, R. E. Troncoso, A. Kamra, and A. Brataas. Magnon-polarons in cubic collinear antiferromagnets. Phys. Rev. B 99, 064421 (2019).

60. A. Kamra, A. Rezaei, and W. Belzig. Spin splitting induced in a superconductor by an antiferromagnetic insulator. Phys. Rev. Lett. 121, 247702 (2018).

61. A. Kamra, R. E. Troncoso, W. Belzig, and A. Brataas. Gilbert damping phenomenology for two-sublattice magnets. Phys. Rev. B 98, 184402 (2018).

62. D. M. Polishchuk, T. I. Polek, A. Kamra, A. F. Kravets, A. I. Tovstolytkin, A. Brataas, and V. Korenivski. Spin relaxation in multilayers with synthetic ferrimagnets. Phys. Rev. B 98, 144401 (2018).

63. A. Rezaei, A. Kamra, P. Machon, and W. Belzig. Spin-flip enhanced thermoelectricity in superconductor-ferromagnet bilayers. New J. Phys. 20, 073034 (2018).

64. A. Kamra and W. Belzig. Spin pumping and shot noise in ferrimagnets: bridging ferro- and antiferromagnets. Phys. Rev. Lett. 119, 197201 (2017).

65. A. Kamra, U. Agrawal, and W. Belzig. Noninteger-spin magnonic excitations in untextured magnets. Phys. Rev. B 96, 020411(R) (2017).

66. H. Keshtgar, S. Streib, A. Kamra, Y. M. Blanter, and G. E. W. Bauer. Magnetomechanical coupling and ferromagnetic resonance in magnetic nanoparticles. Phys. Rev. B 95, 134447 (2017).

67. A. Kamra and W. Belzig. Magnon-mediated spin current noise in ferromagnet | nonmagnetic conductor hybrids. Phys. Rev. B 94, 014419 (2016).

68. A. Kamra and W. Belzig. Super-Poissonian shot noise of squeezed-magnon mediated spin transport. Phys. Rev. Lett. 116, 146601 (2016).

69. S. Geprägs, A. Kehlberger, T. Schulz, C. Mix, F. Della Coletta, S. Meyer, A. Kamra et al. Origin of the spin Seebeck effect in compensated ferrimagnets. Nature Communications 7, 10452 (2016).

70. A. Kamra, S. von Hoesslin, N. Roschewsky, J. Lotze, M. Schreier, R. Gross, S. T. B. Goennenwein, and H. Huebl. An all-electrical torque differential magnetometer operating under ambient conditions. Eur. Phys. J. B 88, 224 (2015).

71. A. Kamra, H. Keshtgar, P. Yan, and G. E. W. Bauer. Coherent elastic excitation of spin waves. Phys. Rev. B 91, 104409 (2015).

72. A. Kamra, F. Witek, S. Meyer, S. Geprägs, H. Huebl, R. Gross, G. E. W. Bauer, and S. T. B. Goennenwein. Spin Hall noise. Phys. Rev. B 90, 214419 (2014).

73. A. Kamra, M. Schreier, H. Huebl, and S. T. B. Goennenwein. Theoretical model for torque differential magnetometry of single domain magnets. Phys. Rev. B 89, 184406 (2014).

74. N. Roschewsky, M. Schreier, A. Kamra, F. Schade, K. Ganzhorn, S. Meyer, H. Huebl, S. Geprags, R. Gross, and S. T. B. Goennenwein. Time resolved spin Seebeck effect experiments. Appl. Phys. Lett. 104, 202410 (2014).

75. M. Weiler, M. Althammer, M. Schreier, J. Lotze, M. Pernpeintner, S. Meyer, H. Huebl, R. Gross, A. Kamra, J. Xiao, Y. T. Chen, H. Jiao, G. E. W. Bauer, and S. T. B. Goennenwein. Experimental test of the spin mixing interface conductivity concept. Phys. Rev. Lett. 111, 176601 (2013) (Editors’ suggestion).

76. A. Kamra and G. E. W. Bauer. Actuation, propagation and detection of transverse magnetoelastic waves in ferromagnets. Sol. Stat. Comm. SI: Spin Mechanics 198, 35 (2014).

77. P. Yan, A. Kamra, Y. Cao, and G. E. W. Bauer. Angular and linear momentum of excited ferromagnets. Phys. Rev. B 88, 144413 (2013).

78. M. Schreier, A. Kamra, M. Weiler, J. Xiao, G. E. W. Bauer, R. Gross, and S. T. B. Goennenwein. Magnon, phonon and electron temperature profiles and the spin Seebeck effect in magnetic insulator/normal metal hybrid structures. Phys. Rev. B 88, 94410 (2013).

79. A. Kamra and B. Ghosh. The role of electron electron scattering in spin transport. J. Appl. Phys. 109, 024501 (2011).

80. A. Kamra, B. Ghosh, and T. K. Ghosh. Spin relaxation due to electron-electron magnetic interaction in high Lande g-factor semiconductors. J. Appl. Phys. 108, 054505 (2010).

81. K. Goss, A. Kamra, C. Spudat, C. Meyer, P. Koegerler, and C. M. Schneider. CVD growth of carbon nanotubes using molecular nanoclusters as catalyst. phys. stat. sol. (b) 246, 2494 (2009).

82. A. Kamra, P. P. Pathak, and V. A. Singh. Mean field theory of coulomb blockade distribution for a disordered ensemble of quantum dots. Phys. Rev. B 77, 115302 (2008).

83. A. Kamra, P. Pathak, and V. A. Singh. A mean field approach to coulomb blockade for a disordered assembly of quantum dots. Pramana 70, 279 (2008).