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In a paper entitled "Lorentz transformation of blackbody radiation" (Phys. Rev. E 88, 044101, 2013), G. W. Ford and Robert O'Connell have solved a problem which numerous authors have worked on over a time span exceeding a hundred years. This is the question of how temperature behaves under a Lorentz transformation. Both Einstein in 1907 and Planck in 1908 published results which disagreed with each other and both of which proved to be incorrect. The reason why the problem remained unsolved for so many years was the fact that no experimental evidence existed to provide a check on the huge variety of theoretical methods employed. By constrast, Ford and O'Connell employed the experimental results for the spectrum of the universal cosmic blackbody radiation measured by Earth observers who are in different reference frames because of their motion through the 2.7K radiation. Despite the fact that kT behaves like an energy, it turns out that T does not change in a Lorentz transformation. More news...

Mark Wilde's research on the Heisenberg uncertainty principle has been accepted for publication in Physical Review Letters. Wilde and coauthors have established a revision of the uncertainty principle which quantifies the fundamental trade-off between measurement accuracy error and uncontrollable disturbance that occurs in any measurement of a quantum system. They have used concepts from information theory in establishing this revision. More news...


Summer 2014 is the fifth summer for the Physics & Astronomy REU Program. We have 16 participants this year, selected from more than 300 applications; our participants represent college and universities of all sizes from across the U.S. The participants will work on projects that are active parts of their mentors' research in astronomy nuclear physics, gravity and cosmology, neutrinos, condensed matter, and quantum science. The REU participants will tour the CAMD synchrotron and LIGO-Livingston facilities, and participate in weekly seminars by department faculty. Stay tuned for more details about what these students accomplish this summer. REU Photo Gallery

The 2014 South Central Conference for Undergraduate Women in Physics will be held here at LSU, Friday, January 17-19, 2014. The conference will explore and showcase career opportunities for physicists through lots of activities, such as tours of national labs, research presentations, discussion panels, and lots of opportunities for networking. Discussion panels will include topics such as applying for and succeeding in graduate school, how to get involved in undergraduate research or summer programs, and the multitude of careers available to physicists. The South Central CUWiP will be one of eight regional conferences all taking place simultaneously and organized through the American Physical Society. The aim of the CUWiPs is to allow undergraduate women physicists to meet, network with, and be inspired by both peers and established women scientists.

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Welcome to the Department of Physics and Astronomy at LSU! The department is actively involved in research in astronomy and astrophysics, gravitation and relativity, nuclear and particle physics, medical physics, materials and condensed matter physics, atomic/molecular/optical physics, quantum optics and computing, and medical physics. More...



Full Events Calendar

August 18-19 
Symposium in honor of John Wefel

August 28| 3:30 PM

September 11 | 3:30 PM

Colloquia Schedule

Saturday Science Schedule

Congratulations Physics Graduates! Summer 2014

B.S. Degrees
Nicholas T. Desselles

M.S. Degrees
Margaret O. Hernandez
Melissa A. Lamberto
Bart A. Morris
Benjamin D. Rusk

Ph.D. Degrees
Brajesh K. Gupt
Kebei Jiang
Rebecca A. Ringuette
Amir H. Shadkam