I am the Branco Weiss Fellow at University of Geneva and Harvard University, working on the interface of quantum matter theory and experiment.



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June 15, 2020

Famous Einstein's memo E = m c^2  is an "ultraheavy" limiting case of a more general mass-energy equivalence, generalized to Dirac equation in case of electrons. Another limiting case is E = c p, denoting "ultrarelativistic" quasiparticles (travelling at effective...

January 16, 2020

Bekenstein-Hawking entropy, associated with Sachdev-Ye-Kitaev (SYK) states of matter, can be directly probed in quantum matter experiments with thermopower measurements.

Sachdev-Ye-Kitaev (SYK) model is a model for (very) strongly interacting electrons, which is maximal...

A new theoretical model may help explain the shocking onset of superconductivity in stacked, twisted carbon sheets.

The blockbuster discovery last year of superconductivity in a material called twisted bilayer graphene caught theorists off guard. In all their published...

Exactly a year ago, researchers at MIT reported on observing superconductivity in twisted bilayer graphene – a new experimental platform engineered on two misaligned graphene layers – at “magic angles” near 1.1°. The origin of these angles was a mystery, however. A tea...

March 16, 2019

The angles at which flat bands emerge to produce superconductivity in twisted bilayer graphene are shown to be fundamentally connected to quantum Hall wave functions, as revealed in our recent paper published as Editors' Suggestion in Physical Review Letters.

Graphene i...

December 20, 2016

This June, I was one of a group of young scientists sat in the whispering Theatre of Lindau—the place where everything began 65 years ago—when the lights dimmed and the opening ceremony started. I will never forget how, after being announced, the thirty Nobel Laureates...

June 27, 2016

27.06.16 - Alex Kruchkov, a PhD student with EPFL’s Laboratory for Quantum Magnetism, has been successfully accepted to participate in this year’s Lindau Nobel Laureate Meetings.

The Lindau Nobel Laureate Meetings take place each year with the aim to foster dialogue and...

April 15, 2016

15.04.16 - Alex Kruchkov, a PhD student at EPFL has found a way to slow down light at room temperature.

It is possible to force light to behave like a liquid, or more specifically a “quantum liquid” called a Bose-Einstein condensate. Controlling light lik...

April 11, 2016

11.04.2016 - My new single-author paper on one-dimensional condensates of photons was published in Physical Review A.

This paper introduces a quasiequilibrium one-dimensional Bose-Einstein condensation of photons trapped in a microtube.

Light modes with a cutoff frequenc...

February 19, 2016

19.02.2016 - We published a new paper in Nature's Scientific Reports, where we report making skyrmions 20 times more stable. 

Magnetic skyrmions are vortices of spins, considered to be topologically protected against perturbations, and envisaged as very possible next-ge...

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© 2020 by Alexander Kruchkov

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