Which is it: Dark Matter or Modified Gravity?
... Data from NASA's Chandra X-ray Observatory show the hot gas in the colliding clusters colored in green. The gas provides evidence that a collision took place. Optical data from NASA's Hubble Space Telescope and the Canada-France-Hawaii Telescope (CFHT) in Hawaii are shown in red, green, and blue. St ...
... Data from NASA's Chandra X-ray Observatory show the hot gas in the colliding clusters colored in green. The gas provides evidence that a collision took place. Optical data from NASA's Hubble Space Telescope and the Canada-France-Hawaii Telescope (CFHT) in Hawaii are shown in red, green, and blue. St ...
Measuring Quantum Yields of Powder Samples
... the high sensitivity and high scanning speed of the instrument, the quantum yield accessory includes a 60mm integrating sphere and software which guides the user during the measurements and performs the required calculations. In obtaining accurate results for quantum yields, spectral correction fact ...
... the high sensitivity and high scanning speed of the instrument, the quantum yield accessory includes a 60mm integrating sphere and software which guides the user during the measurements and performs the required calculations. In obtaining accurate results for quantum yields, spectral correction fact ...
THE INSTRUMENTALISM-REALISM DEBATE: A CASE FOR A
... proposes between, say, "Bohr's electron" and what we now call "electron" is effected only when the appropriate adjustments are, first made. In this sense Putnam's thesis is somewhat extreme. Thus "retrospective reference assignments" are determined not merely by some "principle of charity", but byre ...
... proposes between, say, "Bohr's electron" and what we now call "electron" is effected only when the appropriate adjustments are, first made. In this sense Putnam's thesis is somewhat extreme. Thus "retrospective reference assignments" are determined not merely by some "principle of charity", but byre ...
Avoided Antiferromagnetic Order and Quantum Critical Point in
... FL regime of const at low temperature is recovered at 8 T. Both 8 and 9 T data exhibit sharp crossovers between the NFL (logarithmic) and the FL regimes at a C temperature TFL . For fields below 8 T continues to rise with decreasing temperature and does not show saturation within the temperatu ...
... FL regime of const at low temperature is recovered at 8 T. Both 8 and 9 T data exhibit sharp crossovers between the NFL (logarithmic) and the FL regimes at a C temperature TFL . For fields below 8 T continues to rise with decreasing temperature and does not show saturation within the temperatu ...
probability in quantum mechanics
... stochastic process is a substructure upon which deterministic averages are constructed just as is done for example in the kinetic theory of gases when probabilistic ideas ...
... stochastic process is a substructure upon which deterministic averages are constructed just as is done for example in the kinetic theory of gases when probabilistic ideas ...
Why Quarks are Different from Leptons –
... attributing to quarks special algebraic and group theoretical degrees of freedom, whereas in the case under consideration we start with a globally invariant SU (2) ⊗ U (1) spinor theory, and the difference between leptons and quarks is generated by the dynamics of the model itself. Being composite p ...
... attributing to quarks special algebraic and group theoretical degrees of freedom, whereas in the case under consideration we start with a globally invariant SU (2) ⊗ U (1) spinor theory, and the difference between leptons and quarks is generated by the dynamics of the model itself. Being composite p ...
- Philsci
... which values one ought to sustain. A scientist may diverge from the majority of colleagues concerning some cognitive values, or one group of scientists may deviate from another with respect to their norms and standards. Cognitive values are indirectly established in students through learning, traini ...
... which values one ought to sustain. A scientist may diverge from the majority of colleagues concerning some cognitive values, or one group of scientists may deviate from another with respect to their norms and standards. Cognitive values are indirectly established in students through learning, traini ...
Symmetry and Supersymmetry - UCLA Department of Mathematics
... All of the machinery is now in place for introducing the Lagrangians and doing SUSY field theory on flat super Minkowski spacetime: Wess-Zumino (SUSY electrodynamics) and Ferrara-Zumino (SUSY Yang-Mills). The SUSY extension of Einstein spacetime is more complicated and was first done in 1976 by Ferr ...
... All of the machinery is now in place for introducing the Lagrangians and doing SUSY field theory on flat super Minkowski spacetime: Wess-Zumino (SUSY electrodynamics) and Ferrara-Zumino (SUSY Yang-Mills). The SUSY extension of Einstein spacetime is more complicated and was first done in 1976 by Ferr ...
Quantum mechanics of electrons in strong magnetic field
... To obtain a more concrete idea about the size of the gap between two adjacent Landau levels, we estimate itthe Landau gap. In a typical metal in the field B of the order 10T and taking electron mass me ' 10−27 g, one can estimate the gap roughly as ~Ω = ~eB/me c ' 1.5 ∗ 10−15 erg ' 15K. In a semico ...
... To obtain a more concrete idea about the size of the gap between two adjacent Landau levels, we estimate itthe Landau gap. In a typical metal in the field B of the order 10T and taking electron mass me ' 10−27 g, one can estimate the gap roughly as ~Ω = ~eB/me c ' 1.5 ∗ 10−15 erg ' 15K. In a semico ...
Chapter 3 SIZE, SCALE AND THE BOAT RACE - Neti
... A deceptively elementary, yet important, property central to many scaling arguments is that there exist natural scales appropriate to the specific problem at hand. At a trivial level this is reflected in the use of special units such as the fermi for measuring lengths in nuclear physics or the micro ...
... A deceptively elementary, yet important, property central to many scaling arguments is that there exist natural scales appropriate to the specific problem at hand. At a trivial level this is reflected in the use of special units such as the fermi for measuring lengths in nuclear physics or the micro ...
Hamiltonian Systems with Three or More
... resonances since we are interested only in the large-scale structure of the classical phase space (i.e., intersection of the lowest order resonance zones). 3. Analysis and assignment of eigenstates and spectra The quantum eigenfunctions and eigenenergies were obtained by diagonalizing the Baggot Ham ...
... resonances since we are interested only in the large-scale structure of the classical phase space (i.e., intersection of the lowest order resonance zones). 3. Analysis and assignment of eigenstates and spectra The quantum eigenfunctions and eigenenergies were obtained by diagonalizing the Baggot Ham ...
Abstracts - Weizmann Institute of Science
... process, closely related to the Edge Reinforced Random Walk. Its behavior can be related to some spectral properties of a random Schrödinger operator with a specific 1-dependent potential. We will explain this and how this random potential also appears as hitting times of a family of interacting dr ...
... process, closely related to the Edge Reinforced Random Walk. Its behavior can be related to some spectral properties of a random Schrödinger operator with a specific 1-dependent potential. We will explain this and how this random potential also appears as hitting times of a family of interacting dr ...
Note 01 - UF Physics
... units of electrical charge, also, can be and are redefined (see below). Such system of units is often referred to as Natural Units (natural for the elementary particle physics, that is). The kinematical unit of the choice is energy, E, and it is usually measured in eV (keV, MeV, GeV, TeV). Once we f ...
... units of electrical charge, also, can be and are redefined (see below). Such system of units is often referred to as Natural Units (natural for the elementary particle physics, that is). The kinematical unit of the choice is energy, E, and it is usually measured in eV (keV, MeV, GeV, TeV). Once we f ...
CALCULUS OF FUNCTIONALS
... In classical mechanics one has interest in functions x(t) of a single variable, while in field theory one’s interest shifts to functions ϕ(t, x) of several variables, but the ordinary calculus of functions of several variables would appear to be as adequate to the mathematical needs of the latter sub ...
... In classical mechanics one has interest in functions x(t) of a single variable, while in field theory one’s interest shifts to functions ϕ(t, x) of several variables, but the ordinary calculus of functions of several variables would appear to be as adequate to the mathematical needs of the latter sub ...
