Sabrina Gonzalez Pasterski, Tony Pan, and Henry Lin

January 7, 2015

Henry is a sophomore Physics concentrator; Sabrina is a graduate student in the Harvard Center for the Fundamental Laws of Nature; Tony graduated from our department with a PhD in astrophysics in 2013. Henry, Sabrina and Tony are among this year's "FORBES 30 Under 30: Young Scientists Who Are Changing The World." (For more information, please see the Forbes article)


All-Optical Initialization, Readout, and Coherent Preparation of Single Silicon-Vacancy Spins in Diamond

December 23, 2014

Figure 4: Optical access to spin levels of SiV− in diamond. (a) A SiV− center consists of a silicon atom between two vacant lattice sites and is aligned along a <111> crystal bond direction.[From: L.J. Rogers, K.D. Jahnke, M.H. Metsch, A. Sipahigil, et al., "All-Optical Initialization, Readout, and Coherent Preparation of Single Silicon-Vacancy Spins in Diamond," Phys. Rev. Lett. 113, 263602 (22 December 2014) | DOI: http://dx.doi.org/10.1103/PhysRevLett.113.263602]


High Quality-Factor Optical Nanocavities in Bulk Single-Crystal Diamond

December 22, 2014

Reprinted by permission from Macmillan Publishers Ltd: Nature Communications ©2014

FIG. 1: Angled-etching fabrication methodology.: (a) Illustration of angled-etching used to realize free-standing structures in bulk single-crystal diamond. [From M. Burek, et al., "High quality-factor optical nanocavities in bulk single-crystal diamond," Nature Communications 5: 5718 | doi:10.1038/ncomms6718 ]


Back into the Dark

December 17, 2014

The big wheel of the muon spectrometer as it is moved halfway through to its final position before the closing of the ATLAS detector. (IMAGE: Claudia Marcelloni, The ATLAS Experiment/CERN)


Bloch Oscillations of Bosonic Lattice Polarons

December 9, 2014
Figure 1

Copyright 2014 by the American Physical Society

Figure 1: (a) An impurity (blue) is immersed in a homogeneous 3D BEC (red) and constrained to the lowest band of a 1D optical lattice. Strong interactions with the Bose gas lead to polaron formation and a modified dispersion. [From F. Grusdt, A. Shashi, D. Abanin, and E. Demler, "Bloch oscillations of bosonic lattice polarons," Phys. Rev. A 90, 063610 (4 Dec 2014), http://dx.doi.org/10.1103/PhysRevA.90.063610]


Higgs Criticality in a Two-Dimensional Metal

December 8, 2014

FIG. 1: the proposed phase diagram for the hole-doped cuprates, building on a theory for Higgs criticality for the optimal doping QCP. The lgebraic charge liquids (ACLs) have Fermi surfaces of spinless fermions which carry the electromagnetic charge: in the SU(2) ACL the Fermi surface is 'large' and is coupled to an emergent SU(2) gauge field, while in the U(1) ACL the Fermi surface is 'small' and coupled to an emergent U(1) gauge field. The fractionalized Fermi liquid (FL*) descends from the U(1) ACL by the binding of fermions to neutral spinons.