Mon, April 22, 2019

Direct Laser Cooling Rubidium Atoms

A group at MIT led by Vladan Vuletic has recently created a Bose-Einstein Condensate (BEC) of rubidium atoms with a new method, direct laser cooling. Many researchers have attempted this elusive goal in the past, but due to various complications resorted to reaching BEC through evaporation instead. Compared to cooling through evaporation, laser cooling is...

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Fri, April 19, 2019

Probing entanglement in a many-body-localized system

An interacting quantum system that is subject to disorder may cease to thermalize due to localization of its constituents, thereby marking the breakdown of thermodynamics. The key to our understanding of this phenomenon lies in the system’s entanglement, which is experimentally challenging to measure. We realize such a many-body-localized system in a disordered Bose-Hubbard chain...

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Wed, March 13, 2019

Quantum sensing method measures minuscule magnetic fields

MIT researchers find a new way to make nanoscale measurements of fields, including information about their direction.

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Tue, March 5, 2019

High school physics class visit Ni group

The Ni group’s “building a single molecule from a reservoir of two atoms” paper was a cover story of Science magazine in May 2018. It generated a lot of public fascinations and subsequent news stories.  A high school teacher from Japan contacted Professor Ni to arrange a lab tour and a short lecture to his...

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Tue, January 29, 2019

Spin Transport in a Mott Insulator of Ultracold Fermions

Superconductivity is a phenomenon in materials whereby electron pairs can flow freely without resistance. As a consequence, no energy is lost while electrical current passes through the superconductor. The benefits, therefore, of superconducting materials which operate at room temperature are countless, and range from revolutionizing the electrical power transmission industry, to providing sweeping improvements in...

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Wed, October 24, 2018

Kang-Kuen Ni Wins 2019 I.I. Rabi Prize in AMO Physics

To recognize and encourage outstanding research in Atomic, Molecular and Optical Physics by investigators who have held a Ph.D. for no more than 10 years prior to the nomination deadline. The prize consists of $10,000 and a certificate citing the contributions made by the recipient. Visit the Ni group webpage.

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Wed, October 17, 2018

Improved Measurement of the Electron’s Electric Dipole Moment

Although the Standard Model of particle physics, one of the triumphs of modern physics, accurately describes all particle physics measurements made in laboratories so far, it is unable to answer many questions that arise from cosmological observations, such as the long-standing puzzle of why matter dominates over antimatter throughout the observable universe. To explain these...

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Tue, September 25, 2018

Honing quantum sensing

PhD student David Layden in the Quantum Engineering Group has a new approach to spatial noise filtering that boosts development of ultra-sensitive quantum sensors. New research from MIT’s interdisciplinary Quantum Engineering Group (QEG) is addressing one of the fundamental challenges facing these quantum sensor systems: removing environmental noise from the signal being measured. “The usual...

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Sat, September 1, 2018

Laser-cooling and Optical Trapping of Diatomic Molecules

Ultracold molecules have been proposed as a rich resource for many applications ranging from precision measurements and quantum metrology to quantum simulation and quantum information processing. The benefits of molecules in all these applications arise from the many internal degrees of freedom in a molecule. For example, even with the simplest two-atom diatomic molecules, one...

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Sat, September 1, 2018

Lawrence Cheuk, finalist for Deborah Jin Thesis Prize 2018

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