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Armen Norair Kocharian

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Armenian physicist (born 1948)
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Armen Norair Kocharian
BornJanuary 3, 1948
Yerevan, Armenia
CitizenshipAmerican
EducationYerevan State University

Moscow State University

Lebedev Physics Institute
Occupation(s)Physicist and senior research scientist
Known forNanoscience, nanomaterials, and condensed matter physics

Armen Norair Kocharian (Armenian: Արմեն Քոչարյան; born January 3, 1948, in Yerevan, Armenia) is an Armenian physicist and senior research scientist specializing in nanoscience, nanomaterials, and condensed matter physics. His work encompasses correlated electrons, critical phenomena, superconductivity, magnetism, and earthquake studies. He is a professor of physics and astronomy at California State University, Los Angeles.

Early life and education

Kocharian was born on January 3, 1948, in Yerevan, Armenia. In 1966, he enrolled in the physics department of Yerevan State University and later transferred to Lomonosov Moscow State University in 1969. He graduated summa cum laude in 1973 with a Bachelor of Science and Master of Science in theoretical physics. He subsequently completed his Ph.D. in solid-state physics at the Lebedev Physics Institute under the supervision of Prof. Daniel Khomskii, focusing on high-temperature superconductivity. In 1991, he earned a second doctoral degree (Doctor of Sciences) in physics and mathematics, equivalent to a professorship in the United States, awarded by the Supreme Attestation Board in Moscow.

Career

Kocharian began his career as a principal investigator on projects funded by the Ministry of Atomic Energy, focusing on the applications of synchrotron radiation sources for studying rare earth materials and transition metal oxides. In 1993, he moved to the United States as a visiting professor at Union College, Schenectady, New York. From 1996, he worked at California State University, Northridge, as part of the W.M. Keck Computational Materials Theory Center, contributing to theoretical physics and developing computational techniques for studying materials with strong electron correlations.

Currently, Kocharian is a professor at California State University, Los Angeles, in the Department of Physics and Astronomy. His research has contributed to experimental and theoretical studies of electron instabilities, phase transitions, and nanomaterials. Notable contributions include:

  • Development of a bottom-up approach to studying electron instabilities in nanoclusters.
  • Insights into the physics of high-temperature superconductivity, ferromagnetism, and ultracold fermionic atoms.
  • Collaborative research with institutions like Los Alamos National Laboratory, Sandia National Laboratories, and Brookhaven National Laboratory.
  • Kocharian has authored over 200 peer-reviewed articles, review papers, and book chapters, and serves as a peer reviewer for several prestigious journals, including Physics Letters A and Journal of Nanoparticle Research.

Research Areas

Kocharian’s research focuses on:

  • Nanomaterials and Nanoscience: Studies of electron pairing, phase separation, and inhomogeneities in nanoclusters and bulk materials.
  • Condensed Matter Physics: Investigations into superconductivity, magnetism, and critical phenomena.
  • Seismology: Modeling the critical behavior of seismic systems and earthquake dynamics.
  • Spintronics: Exploring spin-polarized properties of semiconductors and heterojunctions.

Personal life

Kocharian is married to Hasmik Agadjanian, and they have three children: Vahan, David, and Adrina. His father, Norair M. Kocharian, was a prominent physicist and a founding member of the Aragats Cosmic Ray Research Station. His brother, Karen Kocharian, is a radio physicist and senior engineer at Veoneer Co. in Lowell, Massachusetts.

Selected Publications

Following is the list of his publications:

  • Kocharian, A., et al. (2023). "Magnetic and structural properties of core-shell Fe nanoparticles." APS March Meeting, Las Vegas.
  • Kocharian, A., et al. (2023). "Syntheses of core-shell iron-based magnetic nanoparticles." Frontiers in Magnetism: Quantum Technologies Conference, Orlando.
  • Virtual levels, mixed valence phase and electronic phase transitions in rare earth compounds
  • Exact study of charge-spin separation, pairing fluctuations, and pseudogaps in four-site Hubbard clusters
  • Accumulation and transmission of the light energy in nonreciprocal multi layer systems
  • Coherent and incoherent pairing instabilities and spin-charge separation in bipartite and nonbipartite nanoclusters: Exact results
  • Phase transitions and exact ground-state properties of the one-dimensional Hubbard model in a magnetic field
  • Self-consistent and exact studies of pairing correlations and crossover in the one-dimensional attractive Hubbard model
  • Thermodynamic properties, magnetism and Mott–Hubbard-like transitions in nanoscale clusters
  • Magnetic properties and thermal entanglement on a triangulated Kagomé lattice
  • Electron coherent and incoherent pairing instabilities in inhomogeneous bipartite and nonbipartite nanoclusters

References

  1. "Armen N KOCHARIAN". www.csun.edu. Retrieved 2025-01-13.
  2. "Armen N KOCHARIAN". www.csun.edu. Retrieved 2025-01-13.
  3. https://arar.sci.am/Content/23318/file_0.pdf
  4. Armenia, National Academy of Sciences of the Republic of. "National Academy of Sciences of the Republic of Armenia". National Academy of Sciences of the Republic of Armenia. Retrieved 2025-01-13.
  5. ^ "Armen N Kocharian". scholar.google.com. Retrieved 2025-01-13.
  6. ^ "Armen N. KOCHARIAN". www.csun.edu. Retrieved 2025-01-13.
  7. ^ Kocharian, Armen N.; Fernando, Gayanath W.; Yang, Chi (2010), Bhushan, Bharat (ed.), "Spin and Charge Pairing Instabilities in Nanoclusters and Nanomaterials", Scanning Probe Microscopy in Nanoscience and Nanotechnology, Berlin, Heidelberg: Springer, pp. 507–570, Bibcode:2010spmn.book..507K, doi:10.1007/978-3-642-03535-7_15, ISBN 978-3-642-03535-7, retrieved 2025-01-13
  8. ^ Kocharian, Armen N.; Fernando, Gayanath W.; Fang, Kun; Palandage, Kalum; Balatsky, Alexander V. (2016). "Spin-orbit coupling, electron transport and pairing instabilities in two-dimensional square structures" (PDF). AIP Advances. 6 (5). Bibcode:2016AIPA....6e5711K. doi:10.1063/1.4948384.
  9. ^ "404 Not Found on SPIE.org". spie.org. Retrieved 2025-01-13. {{cite web}}: Cite uses generic title (help)
  10. ^ "Armen N. Kocharian | Scholar Profiles and Rankings". ScholarGPS. Retrieved 2025-01-13.
  11. ^ "Armen N Kocharian". scholar.google.com. Retrieved 2025-01-13.
  12. "Armen N. KOCHARIAN". www.csun.edu. Retrieved 2025-01-13.
  13. arpainstitute.org http://web.archive.org/web/20240630002536/https://www.arpainstitute.org/wp-content/uploads/2022/12/Booklet_Electronic_Version_LoRes-1-1.pdf. Archived from the original (PDF) on 2024-06-30. Retrieved 2025-01-13. {{cite web}}: Missing or empty |title= (help)
  14. Akopian, Samvel Ts.; Kocharian, Armen N. (2014-01-01). "Critical behaviour of seismic systems and dynamics in ensemble of strong earthquakes". Geophysical Journal International. 196 (1): 580–599. doi:10.1093/gji/ggt398. ISSN 0956-540X.
  15. Yang, Chi; N. Kocharian, Armen; Chiang, Yu-Ling; Chou, Tin-Yu (January 2002). "Phase Diagram and Magnetic Correlations in One-Dimensional Repulsive Hubbard Model with Magnetic Field". Journal of the Physical Society of Japan. 71 (Suppl): 193–195. Bibcode:2002JPSJ...71S.193Y. doi:10.1143/JPSJS.71S.193. ISSN 0031-9015.
  16. Kaur, Maninder; McCloy, John S.; Jiang, Weilin; Yao, Qi; Qiang, You (2012-06-14). "Size Dependence of Inter- and Intracluster Interactions in Core–Shell Iron–Iron Oxide Nanoclusters". The Journal of Physical Chemistry C. 116 (23): 12875–12885. doi:10.1021/jp301453w. ISSN 1932-7447.
  17. ^ https://arar.sci.am/dlibra/publication/26048/edition/23318?language=en
  18. ^ "Armen N. Kocharian | Scholar Profiles and Rankings". ScholarGPS. Retrieved 2025-01-13.