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Autor:
Jankiewicz, Marcin Michal
This thesis summarizes research projects that I have been involved in during my graduate studies at Vanderbilt University. My research spanned different areas of theoretical high energy physics with gravity as a common denominator. I explore both fun
Autor:
Jankiewicz, Marcin, Kephart, Thomas W.
We show interesting relations between extremal partition functions of a family of conformal field theories and dimensions of the irreducible representations of the Fischer-Griess Monster sporadic group. We argue that these relations can be interprete
Externí odkaz:
http://arxiv.org/abs/math-ph/0608001
Autor:
Jankiewicz, Marcin, Sen, Anjan A.
We study the possibility of occurrence of scalar hair with a non-canonical kinetic term for a static, spherically symmetric asymptotically flat black hole spacetime. We first obtain a general equation for this purpose and then consider various exampl
Externí odkaz:
http://arxiv.org/abs/gr-qc/0602085
Autor:
Jankiewicz, Marcin, Kephart, Thomas W.
We present a family of conformal field theories (or candidates for CFTs) that is build on extremal partition functions. Spectra of these theories can be decomposed into the irreducible representations of the Fischer-Griess Monster sporadic group. Int
Externí odkaz:
http://arxiv.org/abs/hep-th/0510178
Autor:
Jankiewicz, Marcin, Kephart, Thomas W.
Publikováno v:
Phys.Rev. D73 (2006) 123514
We give a numerical analysis of long-wavelength modes in the WKB approximation of cosmological scalar fields coupled to gravity via $\xi\phi^{2}R$. Massless fields are coupled conformally at $\xi=1/6$. Conformality can be preserved for fields of nonz
Externí odkaz:
http://arxiv.org/abs/hep-ph/0510009
Publikováno v:
Nucl.Phys. B744 (2006) 380-397
We show that there is a set of transformations that relates all of the 24 dimensional even self-dual (Niemeier) lattices, and also leads to non-lattice objects that however cannot be interpreted as a basis for the construction of holomorphic conforma
Externí odkaz:
http://arxiv.org/abs/hep-th/0502190
Publikováno v:
Astropart.Phys.21:651-666,2004
It has been proposed that propagation of cosmic rays at extreme-energy may be sensitive to Lorentz-violating metric fluctuations (``foam''). We investigate the changes in interaction thresholds for cosmic-rays and gamma-rays interacting on the CMB an
Externí odkaz:
http://arxiv.org/abs/hep-ph/0312221
Autor:
Graham, Amy S., Ben-Azu, Benneth, Tremblay, Marie-Ève, Torre III, Peter, Senekal, Marjanne, Laughton, Barbara, van der Kouwe, Andre, Jankiewicz, Marcin, Kaba, Mamadou, Holmes, Martha J.
Publikováno v:
Frontiers in Neuroscience; 2023, p1-25, 25p
Publikováno v:
In Journal of Magnetic Resonance January 2013 226:79-87