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Akademický článek
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Autor:
Crotty, Patrick
Publikováno v:
Studies: An Irish Quarterly; Autumn2024, Vol. 113 Issue 451, p358-370, 13p
Akademický článek
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Autor:
Segall, Ken, LeGro, Matthew, Kaplan, Steven, Svitelskiy, Oleksiy, Khadka, Shreeya, Crotty, Patrick, Schult, Daniel
Publikováno v:
Phys. Rev. E 95, 032220 (2017)
Conventional digital computation is rapidly approaching physical limits for speed and energy dissipation. Here we fabricate and test a simple neuromorphic circuit that models neuronal somas, axons and synapses with superconducting Josephson junctions
Externí odkaz:
http://arxiv.org/abs/1608.04680
Autor:
Crotty, Patrick R.
Thesis (Ph. D.)--University of Chicago, Departments of Physics, June 2002.
Includes bibliographical references. Also available on the Internet.
Includes bibliographical references. Also available on the Internet.
With the goal of understanding the intricate behavior and dynamics of collections of neurons, we present superconducting circuits containing Josephson junctions that model biologically realistic neurons. These "Josephson junction neurons" reproduce m
Externí odkaz:
http://arxiv.org/abs/1002.2892
Autor:
Seely, Jeffrey, Crotty, Patrick
We report on a theoretical study showing that the leak conductance density, $\GL$, in the squid giant axon appears to be optimal for the action potential firing frequency. More precisely, the standard assumption that the leak current is composed of c
Externí odkaz:
http://arxiv.org/abs/0905.3154
Publikováno v:
Phys.Rev.D69:123007,2004
We combine the most recent observations of large-scale structure (2dF and SDSS galaxy surveys) and cosmic microwave anisotropies (WMAP and ACBAR) to put constraints on flat cosmological models where the number of massive neutrinos and of massless rel
Externí odkaz:
http://arxiv.org/abs/hep-ph/0402049
Publikováno v:
JCAP 0309 (2003) 010
Motivated by WMAP's confirmation of an anomalously low value of the quadrupole moment of the CMB temperature fluctuations, we investigate the effects on the CMB of cutting off the primordial power spectrum P(k) at low wave numbers. This could arise,
Externí odkaz:
http://arxiv.org/abs/astro-ph/0304558
Publikováno v:
Phys.Rev.D67:123005,2003
We show that the first year results of the Wilkinson Microwave Anisotropy Probe (WMAP) constrain very efficiently the energy density in relativistic particles in the universe. We derive new bounds on additional relativistic degrees of freedom express
Externí odkaz:
http://arxiv.org/abs/astro-ph/0302337