Sayed Ali Akbar Ghorashi

I am a postdoctoral research associate in condensed mater theory at Stony Brook University, NY.

I have a broad research interest with particular focus (so far ),

- Topological phases of matter, including topological superconductors and semimetals and recently higher-order topological phases.

- Graphene Heterostructures, including moire systems.

- Physics of disorder and interaction.

- Floquet engineering of topological phases.

- Quantum optics theory and AMO/CMT interface.

Employment:

- Postdoctoral Research Associate, Stony Brook university , NY, Aug 2021 - Present

Advisor: Jennifer Cano

-Postdoctoral Research Associate, William & Mary , VA, July 2018 - Aug 2021

Advisor: Enrico Rossi

Education:

- PhD in Physics, University of Houston, TX,USA, May 2018.

Advisers: Chin-Sen Ting (UH) & Matthew Foster (Rice)
Thesis title : Phase and critical phenomena in topological superconductors and semimetals.

- B.Sc. in Physics, University of Isfahan, IRAN, June 2012.

Adviser: Rasoul Roknizadeh
Senior Thesis: Some applications of Deformation Quantization theory

Sayed Ali Akbar Ghorashi

I am a postdoctoral research associate in condensed mater theory at Stony Brook University, NY.

I have a broad research interest with particular focus (so far ),

- Topological phases of matter, including topological superconductors and semimetals and recently higher-order topological phases.

- Graphene Heterostructures, including moire systems.

- Physics of disorder and interaction.

- Floquet engineering of topological phases.

- Quantum optics theory and AMO/CMT interface.

Employment:

- Postdoctoral Research Associate, Stony Brook university , NY, Aug 2021 - Present

-Postdoctoral Research Associate, William & Mary , VA, July 2018 - Aug 2021

Education:

- PhD in Physics, University of Houston, TX,USA, May 2018.

- B.Sc. in Physics, University of Isfahan, IRAN, June 2012.

Publications (reverse chronological order) Google Scholar page :

Signature of Correlated Insulator in Electric Field Controlled Superlattice, Jiacheng Sun, Sayed Ali Akbar Ghorashi, K Watanabe, T Taniguchi, F Camino, J Cano, X Du, arXiv:2306.06848 (2023).

"Higher-Order Nodal Hinge States in Doped Superconducting Topological Insulator", Sayed Ali Akbar Ghorashi, Jennifer Cano, Enrico Rossi, Taylor L. Hughes, arxiv:2211.00682v1, (2022).

"Topological and stacked flat bands in bilayer graphene with a superlattice potential", Sayed Ali Akbar Ghorashi, Aaron Dunbrack, Jiacheng Sun, Xu Du, Jennifer Cano, arxiv.org/abs/2206.13501 (2022).

"Non-Hermitian Higher-Order Weyl Semimetals", Sayed Ali Akbar Ghorashi, Tianhe Li, Masatoshi Sato, Phys. Rev. B 104, L161117 (2021)

"Non-Hermitian Higher-Order Dirac Semimetals", Sayed Ali Akbar Ghorashi, Tianhe Li, Masatoshi Sato, Taylor L. Hughes, Phys. Rev. B 104, L161116 (2021)

"Higher-order Weyl Semimetals ", Sayed Ali Akbar Ghorashi, Tianhe Li, Taylor L. Hughes, Phys. Rev. Lett, 125, 266804 (2020)

"Vortex and Surface Phase Transitions in Superconducting Higher-order Topological Insulators", Sayed Ali Akbar Ghorashi, Taylor L. Hughes, and Enrico Rossi, Phys. Rev. Lett. 125, 037001 (2020).

"Criticality across the energy spectrum from random artificial gravitational lensing in two-dimensional Dirac superconductors", Sayed Ali Akbar Ghorashi, Jonas F. Karcher, Seth M. Davis, and Matthew S. Foster, Phys. Rev. B 101, 214521 (2020) .

"Hybrid Dispersion Dirac Semimetal and Hybrid Weyl Phases in Luttinger Semimetals: A Dynamical Approach", Sayed Ali Akbar Ghorashi, An invited contribution to an special issue on "Dynamic Quantum matter", ANNALEN DER PHYSIK 2020, 532, 1900336.

"Second-order Dirac superconductors and magnetic field induced Majorana hinge modes", Sayed Ali Akbar Ghorashi, Taylor L. Hughes, Enrico Rossi, Phys. Rev. B 100, 020509(R) (2019) (Editor's Suggestion).

"Topological superconductivity of spin-3/2 carriers in a three-dimensional doped Luttinger semimetal", Bitan Roy, Sayed Ali Akbar Ghorashi, Matthew S. Foster, Andriy H. Nevidomskyy, Phys. Rev. B 99, 054505 (2019). (Editor's Suggestion)

"Critical Percolation without Fine-Tuning on the Surface of a Topological Superconductor", Sayed Ali Akbar Ghorashi, Yunxiang Liao, and Matthew S. Foster, Phys. Rev. Lett. 121, 016802 (2018).

"Irradiated three-dimensional Luttinger semimetal: A factory for engineering Weyl semimetals ", Sayed Ali Akbar Ghorashi, Pavan Hosur, and Chin-Sen Ting, Phys. Rev. B 97, 205402 (2018).

"Disorder-enhanced topological protection and universal quantum criticality in a spin-3/2 topological superconductor", Sayed Ali Akbar Ghorashi, Seth Davis, and Matthew S. Foster, Phys. Rev. B 95, 144503 (2017).

"Entanglement sudden death in the presence of quantum decoherence in non-inertial frames: beyond the single-mode approximation", M.H. Aminjavaheri, Sayed Ali Akbar Ghorashi, M. Bagheri Harouni, Quantum Inf Process 13, 1483–1499 (2014).

"Equivalence of curvature and noncommutativity in a physical space: Harmonic oscillator on sphere", Sayed Ali Akbar Ghorashi, A. Mahdifar, R. Roknizadeh, Modern Physics Letters A 29 (19), 1450100 (2014).

"Quantum decoherence of Dirac fields in non-inertial frames beyond the single-mode approximation", Sayed Ali Akbar Ghorashi, M.H. Aminjavaheri, M. Bagheri Harouni, Quantum Inf Process 13, 527–545 (2014).

"Decoherence of quantum Brownian motion in noncommutative space", Sayed Ali Akbar Ghorashi, M. Bagheri Harouni, Physics Letters A 377 952–956 (2013).

"GENERALIZED COHERENT STATES APPROACH TO DEFORMATION QUANTIZATION", Sayed Ali Akbar Ghorashi, Rasoul Roknizadeh, M Bagheri Harouni , International Journal of Modern Physics A 27 (18), 1250095 (2012).

"Synthesis of Silver Nanoparticles Using Complexing Agent Method: Comparing the Effect of Ammonium Hydroxide and Nitric Acid on Some Physical Properties of Nanoparticles", Sayed Ali Akbar Ghorashi, Mahdi Kamali, J Clust Sci 22, 667–672 (2011).