Frans Pretorius
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Frans Pretorius (born 31 July 1973) is a South African and Canadian physicist, specializing in computer simulations in astrophysics and numerical solutions of Einstein's field equations. He is professor of physics at
Princeton University Princeton University is a private university, private Ivy League research university in Princeton, New Jersey, United States. Founded in 1746 in Elizabeth, New Jersey, Elizabeth as the College of New Jersey, Princeton is the List of Colonial ...
and director of the Princeton Gravity Initiative.


Biography

Pretorius sat for a
B.Sc. A Bachelor of Science (BS, BSc, B.S., B.Sc., SB, or ScB; from the Latin ') is a bachelor's degree that is awarded for programs that generally last three to five years. The first university to admit a student to the degree of Bachelor of Scienc ...
in
computer engineering Computer engineering (CE, CoE, or CpE) is a branch of engineering specialized in developing computer hardware and software. It integrates several fields of electrical engineering, electronics engineering and computer science. Computer engi ...
in 1996 and an
M.Sc. A Master of Science (; abbreviated MS, M.S., MSc, M.Sc., SM, S.M., ScM or Sc.M.) is a master's degree. In contrast to the Master of Arts degree, the Master of Science degree is typically granted for studies in sciences, engineering and medicine ...
in
physics Physics is the scientific study of matter, its Elementary particle, fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. "Physical science is that department of knowledge whi ...
in 1999 for his thesis, entitled ''Topics in Black Hole Physics'' under
Werner Israel Werner Israel, (October 4, 1931 – May 18, 2022) was a theoretical physicist known for his contributions to gravitational theory, and especially to the understanding of black holes. Biography Israel was born in Berlin, Germany in 1931. H ...
, at the
University of Victoria The University of Victoria (UVic) is a public research university located in the municipalities of Oak Bay, British Columbia, Oak Bay and Saanich, British Columbia, Canada. Established in 1903 as Victoria College, British Columbia, Victoria Col ...
. He defended his
Ph.D. A Doctor of Philosophy (PhD, DPhil; or ) is a terminal degree that usually denotes the highest level of academic achievement in a given discipline and is awarded following a course of graduate study and original research. The name of the deg ...
in 2002 under Matthew Choptuik at the
University of British Columbia The University of British Columbia (UBC) is a Public university, public research university with campuses near University of British Columbia Vancouver, Vancouver and University of British Columbia Okanagan, Kelowna, in British Columbia, Canada ...
. For his doctoral dissertation on numerical simulation of gravitational collapse, Pretorius received the 2003 Nicholas Metropolis Award of the
American Physical Society The American Physical Society (APS) is a not-for-profit membership organization of professionals in physics and related disciplines, comprising nearly fifty divisions, sections, and other units. Its mission is the advancement and diffusion of ...
. From 2002 to 2005 he was a Richard Chase Tolman Fellow at the
California Institute of Technology The California Institute of Technology (branded as Caltech) is a private research university in Pasadena, California, United States. The university is responsible for many modern scientific advancements and is among a small group of institutes ...
. He then became an assistant professor in 2005 at the
University of Alberta The University of Alberta (also known as U of A or UAlberta, ) is a public research university located in Edmonton, Alberta, Canada. It was founded in 1908 by Alexander Cameron Rutherford, the first premier of Alberta, and Henry Marshall Tory, t ...
and in 2007 at
Princeton University Princeton University is a private university, private Ivy League research university in Princeton, New Jersey, United States. Founded in 1746 in Elizabeth, New Jersey, Elizabeth as the College of New Jersey, Princeton is the List of Colonial ...
.


Research

His research deals with numerical simulations in
general relativity theory General relativity, also known as the general theory of relativity, and as Einstein's theory of gravity, is the differential geometry, geometric theory of gravitation published by Albert Einstein in 1915 and is the current description of grav ...
, especially gravitational collapse, collision, and mergers of black holes and consequent emission of gravitational waves. He has developed new methods of adaptive meshes, which are used in adaptive mesh refinement for coupled elliptic-hyperbolic systems. Pretorius has numerically investigated the possibilities and the signatures of small black holes in particle colliders such as the
LHC The Large Hadron Collider (LHC) is the world's largest and highest-energy particle accelerator. It was built by the European Organization for Nuclear Research (CERN) between 1998 and 2008, in collaboration with over 10,000 scientists, and ...
. Small black holes might be formed with very high collision energies, the energy required might be a factor 2.3 smaller than previously assumed, but such high energies are extremely far from the capabilities of the LHC. With
Abhay Ashtekar Abhay Vasant Ashtekar (born 5 July 1949) is an Indian theoretical physicist who created Ashtekar variables and is one of the founders of loop quantum gravity and its subfield loop quantum cosmology. Ashtekar has also written a number of descr ...
and Fethi Ramazanoğlu, he investigated the evaporation of 2D black holes. Pretorius and his collaborators numerically investigated the high energy collision of two black holes.


Awards and honors

Pretorius was a
Sloan Fellow The Sloan Fellows program is a middle and senior-career master's degree program in general management and leadership offered at MIT, Stanford University, and London Business School (LBS). Initially supported by a grant from Alfred P. Sloan, fo ...
in 2010 and received in 2010 the Aneesur Rahman Prize for Computational Physics. In 2011 he was elected a Fellow of the American Physical Society. In 2017 he was awarded the
New Horizons in Physics Prize The Breakthrough Prize in Fundamental Physics is one of the Breakthrough Prizes, awarded by the Breakthrough Prize Board. Initially named Fundamental Physics Prize, it was founded in July 2012 by Russia-born Israeli entrepreneur, venture capita ...
for the development of the first computer code that can simulate the spiral movement and the fusion of two black holes; in 2017 five other physicists in two different groups shared the prize for work done independently of Pretorius. In 2021 he received the
Dirac Medal The Dirac Medal or Dirac prize can refer to different awards named in honour of the physics Nobel Laureate Paul Dirac. * Dirac Medal (ICTP), awarded by the Abdus Salam International Centre for Theoretical Physics, Trieste * Dirac Medal (IOP), awar ...
of the ICTP.


See also

* Numerical relativity#2005's Breakthrough (annus mirabilis of numerical relativity)


Selected publications

* *


References


External links


Frans Pretorius, homepage at Department of Physics, Princeton University

Frans Pretorius – Black hole probes of the cosmos and fundamental physics, YouTube, 4 March 2013
{{DEFAULTSORT:Pretorius, Frans 1973 births Living people University of Victoria alumni University of British Columbia Princeton University faculty Canadian astrophysicists Computational physicists Fellows of the American Physical Society Sloan Research Fellows University of British Columbia alumni