Andrew J. R. Puckett, Associate Professor, Department of Physics
The photo above shows members of the group on the BigBite Spectrometer service platform in Hall A of Jefferson Lab during the SBS installation in July 2021. From left to right: Prof. Puckett, Dr. Eric Fuchey, Graduate Research Assistants Sebastian Seeds and Provakar Datta. Professor Puckett is an experimental nuclear/particle physicist studying the internal structure of strongly interacting matter in high-energy fixed-target electron-nucleon and electron-nucleus scattering experiments at Jefferson Lab (JLab). The recently completed 12 GeV upgrade of JLab's Continuous Electron Beam Accelerator Facility to a maximum beam energy of 11 GeV (12 GeV) for electron-beam (photon-beam) experiments, augmented by state-of-the-art target and detector systems, together with high-speed data acquisition and high-performance computing, has enabled a world-leading physics program leading to three-dimensional imaging of the internal quark structure of protons, neutrons and nuclei with unprecedented precision in both coordinate and momentum space. The ultimate goal of the experiments is to understand how strongly interacting matter is built from its elementary quark and gluon constituents in terms of Quantum Chromodynamics, the generally accepted theory of the strong interaction within the Standard Model. Click the image to see the list of publications and citations (according to Google Scholar).
Recent news/events
UConn/SBS Graduate Students Win JLUO Poster Competition
Graduate students from the SBS collaboration won the first (Provakar Datta, UConn) and 3rd (Maria Satnik, College of William and Mary) prizes and an honorable mention (Sebastian Seeds, UConn) in the graduate student poster competition at the Jefferson Lab Users’ Organization annual meeting. Links to the posters and short video overviews of the posters can […]
[Read More]Graduate students Datta and Seeds accepted to NNPSS at MIT
Current UConn PhD students and group members Provakar Datta and Sebastian Seeds were accepted to the National Nuclear Physics Summer School (NNPSS) to take place at MIT this July. https://web.mit.edu/2022nnpss/index.html
[Read More]First two SBS experiments completed (Feb. 2022)
From Oct. 2021-Feb. 2022, experiments E12-09-019 and E12-20-008 were completed in Jefferson Lab’s Experimental Hall A. Data were collected that will determine the neutron’s magnetic form factor (GMN) in a previously unexplored Q2 regime up to 13.6 (GeV/c)2 with unprecedented precision. These experiments were the first large-scale deployment and operation of Gas Electron Multipliers (GEMs) […]
[Read More]Physics Department Upcoming Events
-
Dec
7
Condensed Matter Physics Seminar2:00pm
Condensed Matter Physics Seminar
Wednesday, December 7th, 2022
02:00 PM - 03:00 PM
Storrs Campus GW-117
Dr. Ming Yi, Department of Physics and Astronomy, Rice University
Flat bands in geometrically frustrated lattices
Emergent phases often appear when the electronic kinetic energy is small compared to the Coulomb interactions. One approach to seeking material systems as hosts of such emergent phases is to realize the localization of electronic wavefunctions due to the geometric frustration inherent in the crystal structure, resulting in flat electronic bands. Recently, such efforts have found a wide range of exotic phases in the two-dimensional (2D) kagome lattice, including magnetic order, time-reversal symmetry breaking charge density wave (CDW), nematicity, and superconductivity. In this talk, I will present our recent efforts in experimentally exploring bulk materials hosting flat bands induced from the geometric frustration of the lattice. In particular, I will present three examples of topological flat bands including a magnetic kagome system, a pyrochlore system, and a switchable bipartite lattice that forms within a 2D van der Waals magnet.Contact Information: Prof. I. Sochnikov
More -
Dec
8
Condensed Matter Physics Seminar11:00am
Condensed Matter Physics Seminar
Thursday, December 8th, 2022
11:00 AM - 12:00 PM
Other Online
Dr. Joris Schaltegger, Nordita
Vortex Excitations of Dirac Bose-Einstein Condensates
We explore vortices in non-equilibrium Dirac Bose-Einstein condensates (Dirac BEC) described by a stationary Dirac Gross-Pitaevskii equations (GPE). We find that the multi-component structure of Dirac equation enables the difference in phase winding of two condensates with respective phase winding number differing by one, . We observe three classes of vortex states distinguished by their far-field behavior: A ring soliton on either of the two components in combination with a vortex on the other component, and, in the case of strong inter-component interactions, a vortex profile on both components. The latter are multiple core vortices due to the phase winding difference between the components. We also address the role of a Haldane gap on these vortices, which has a similar effect than inter-component by making the occupation on either sublattice more costly. We employ a numerical shooting method to reliably identify vortex solutions and use it to scan large parts of the phase space. We then use a classification algorithm on the integrated wavefunctions to establish a phase diagram of the different topological sectors
arXiv:2202.07594
Zoom URL: https://kth-se.zoom.us/j/68789714367Contact Information: Prof. A. Balatsky
More
Contact Information
| Phone: | (860) 486-7137 (Office) |
|---|---|
| E-mail: | andrew.puckett@uconn.edu |
| Address: | 196 Auditorium Road, Unit 3046 Storrs, CT 06269-3046 |
| More: | https://physics.uconn.edu/person/andrew-puckett/ |