3,750 research outputs found
Calorigenic effect of adrenaline in rats under conditions of restricted motor activity
In previous studies, it was demonstrated that long term restricted motor activity in rats induces a decrease in body weight, an increase in release of adrenaline, and a decrease in the release of noradrenaline with the urine, as well as a reduction in activity of the thymus gland and level of thyroxin in the blood. At the same time, a decrease was found in the internal body temperature that was accompanied by an increase in the rate of metabolism in the state of rest. An investigation is presented which attempts to clarify whether the calorigenic effect of adrenaline under conditions of increased metabolism in the period of immobility is exposed to changes
Accountants\u27 Liability for Unaudited Historical and Prospective Financial Statements
The dramatic increase in the use of non-audit services is posing an increased litigation burden on the accountant. In negligence actions concerning non-audit services, courts have been reluctant to fully accept the profession\u27s internal guidelines as recognized standards of care. Certain courts have also taken an expansive view, holding accountants liable to virtually all third parties. This Comment advocates that the courts fully adopt the standards of care outlined by pertinent AICPA pronouncements. Courts should also restrict accountants\u27 liability for non-audit services to third parties who are in privity with the accountant
Report of the sensor readout electronics panel
The findings of the Sensor Readout Electronics Panel are summarized in regard to technology assessment and recommended development plans. In addition to two specific readout issues, cryogenic readouts and sub-electron noise, the panel considered three advanced technology areas that impact the ability to achieve large format sensor arrays. These are mega-pixel focal plane packaging issues, focal plane to data processing module interfaces, and event driven readout architectures. Development in each of these five areas was judged to have significant impact in enabling the sensor performance desired for the Astrotech 21 mission set. Other readout issues, such as focal plane signal processing or other high volume data acquisition applications important for Eos-type mapping, were determined not to be relevant for astrophysics science goals
Form factor approach to dynamical correlation functions in critical models
We develop a form factor approach to the study of dynamical correlation
functions of quantum integrable models in the critical regime. As an example,
we consider the quantum non-linear Schr\"odinger model. We derive
long-distance/long-time asymptotic behavior of various two-point functions of
this model. We also compute edge exponents and amplitudes characterizing the
power-law behavior of dynamical response functions on the particle/hole
excitation thresholds. These last results confirm predictions based on the
non-linear Luttinger liquid method. Our results rely on a first principles
derivation, based on the microscopic analysis of the model, without invoking,
at any stage, some correspondence with a continuous field theory. Furthermore,
our approach only makes use of certain general properties of the model, so that
it should be applicable, with possibly minor modifications, to a wide class of
(not necessarily integrable) gapless one dimensional Hamiltonians.Comment: 33 page
An ice giant exoplanet interpretation of the anomaly in microlensing event OGLE-2011-BLG-0173
We analyze the microlensing event OGLE-2011-BLG-0173, which shows a small
perturbation at the end of the microlensing event caused by the primary lens.
We consider both binary lens and binary source models and we explore their
degeneracies, some of which have not previously been recognized. There are two
families of binary lens solutions, one with a mass ratio
and a separation s~4.6 and the other with q~0.015 and
s~0.22, i.e, both have companions in the planetary regime. We search for
solutions by using Bayesian analysis that includes planet frequency as a prior
and find that the s~4.6 family is the preferred one with ~4 M_Uranus mass
planet on an orbit of ~10 AU. The degeneracies arise from a paucity of
information on the anomaly, demonstrating that high-cadence observations are
essential for characterizing wide-orbit microlensing planets. Hence, we predict
that the planned WFIRST microlensing survey will be less prone to these
degeneracies than the ongoing ground-based surveys. We discuss the known
low-mass, wide-orbit companions and we notice that for the largest projected
separations the mass ratios are either high (consistent with brown dwarf
companions) or low (consistent with Uranus analogs), but intermediate mass
ratios (Jupiter analogs on wide orbits) have not been detected to date, despite
the fact that the sensitivity to such planets should be higher than that of
Uranus analogs. This is therefore tentative evidence of the existence of a
massive ice giant desert at wide separations. On the other hand, given their
low intrinsic detection sensitivity, Uranus analogs may be ubiquitous.Comment: AJ accepted, 6 figures, 4 table
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