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Barkeshli Research Group

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Profile photo of Maissam Barkeshli

Maissam Barkeshli

Associate Professor

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    Jeffrey Lee

    Graduate Student

Recent News

  • a depiction of quantum particles undergoing five different selection of random quantum processes

    Tug-of-War Unlocks Menagerie of Quantum Phases of Matter

    January 25, 2022

    Often when physicists study phases of matter they examine how a solid slab of metal or a cloud of gas changes as it gets hotter or colder. Sometimes the changes are routine—we’ve all boiled water to cook pasta and frozen it to chill our drinks. Other times the transformations are astonishing, like when certain metals get cold enough to become superconductors or a gas heats up and breaks apart into a glowing plasma soup. However, changing the temperature is only one way to transmute matter into different phases. Scientists also blast samples with strong electric or magnetic fields or place them in special chambers and dial up the pressure. In these experiments, researchers are hunting for a stark transition in a material’s behavior or a change in the way its atoms are organized. In a new paper published recently in the journal Physical Review Letters, Barkeshli and two colleagues continued this tradition of exploring how materials respond to their environment. But instead of looking for changes in conductivity or molecular structure, they focused on changes in a uniquely quantum property: entanglement, or the degree to which quantum particles give up their individuality and become correlated with each other.

  • An image of a two-dimenstional network, representative of a topological error correcting code

    Quantum Computers Do the (Instantaneous) Twist

    August 19, 2020

    Regardless of what makes up the innards of a quantum computer, its speedy calculations all boil down to sequences of simple instructions applied to qubits—the basic units of information inside a quantum computer. Now, researchers at JQI have discovered ways to implement robust, error-resistant gates using just a constant number of simple building blocks—achieving essentially the best reduction possible in a parameter called circuit depth.

  • JQI Fellow Barkeshli receives 2018 Sloan Research Fellowship

    February 15, 2018

    Maissam Barkeshli, an assistant professor of physics at the University of Maryland and fellow of the Joint Quantum Institute, has been awarded a 2018 Sloan Research Fellowship.

Recent Publications