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interface of atomic, molecular, optical (AMO) physics, quantum information, and condensed matter (as well as many-body) physics


We are a theoretical research group working at the interface of quantum optics, quantum information science, and condensed matter physics.

Postdoc and graduate student positions available: email av[group leader's last name]

Group Lead

Alexey Gorshkov profile photo

Alexey Gorshkov

Adjunct Associate Professor


  • Quantum magnetism with alkaline-earth atoms image
  • Alt text
  • Topological matter in AMO systems image
  • Strongly interacting photons hero image


  • noisy circuit

    A sharp phase transition in linear cross-entropy benchmarking

    May 14, 2023

    arXiv:2305.04954 [quant-ph]


    Entanglement Renormalization Circuits for Chiral Topological Order

    April 28, 2023

    arXiv:2304.13748 [quant-ph]

  • A man wearing a hoodie and backpack stands in front of a scenic dessert landscape.

    JQI Student Receives Outstanding Graduate Student Award

    April 18, 2023

  • A man stands on stage in front of a whiteboard covered with equations and diagrams.

    Recent Alumnus Embraced Community and Service at UMD

    February 8, 2023

  • quantum spin ice

    Quantum spin ice in three-dimensional Rydberg atom arrays

    January 16, 2023


  • graph state

    Sharp complexity phase transitions generated by entanglement

    January 11, 2023


  • Profile photo of Alexey Gorshkov

    Gorshkov Elected Optica Fellow

    November 10, 2022

    JQI Fellow Alexey Gorshkov was named a 2023 fellow of Optica, the organization formerly known as the Optical Society of America.

  • a 2d array of atoms

    Quantum Non-Demolition Photon Counting in a 2d Rydberg Atom Array

    November 3, 2022


  • a schematic image of fermionic codes

    Error-correcting codes for fermionic quantum simulation

    November 3, 2022


  • an artistic render of a trapped ion spin chain

    Continuous Symmetry Breaking in a Trapped-Ion Spin Chain

    November 3, 2022


  • a schematic image showing the interaction between light and matter

    Ultrastrong light-matter interaction in a photonic crystal

    September 30, 2022


  • Page curves and typical entanglement in linear optics

    September 15, 2022


  • Quantum Many-Body Scars from Einstein-Podolsky-Rosen States in Bilayer Systems

    September 14, 2022


  • Disordered Lieb-Robinson bounds in one dimension

    August 11, 2022


  • Digital quantum simulation of Floquet symmetry-protected topological phases

    July 27, 2022

    Nature 607, 468 (2022)

  • Advantages and limitations of quantum routing

    June 6, 2022


  • Simulation Complexity of Many-Body Localized Systems

    May 28, 2022


  • Candidate for a self-correcting quantum memory in two dimensions

    May 23, 2022


  • Elizabeth Bennewitz in a black top stands in front of red and clear windows.

    JQI Graduate Student Receives DOE Fellowship

    May 18, 2022

    Elizabeth Bennewitz, a first-year physics graduate student at JQI and the Joint Center for Quantum Information and Computer Science (QuICS), has received a Department of Energy Computational Science Graduate Fellowship. Bennewitz is one of 33 recipients in 2022—the largest number of students this program has ever selected in a year.

  • Quantum Routing with Teleportation

    April 18, 2022


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