Study of the feeding value of the dry matter in wet beet pulp, dried beet pulp and dried molasses beet pulp, when fed with corn and alfalfa in a fattening ration to lambs

Includes bibliographical references (pages 82-83)

Comparative genomic analysis of fungal genomes reveals intron-rich ancestors

Analysis of intron gain and loss in fungal genomes provides support for an intron-rich fungus-animal ancestor

The curious nonexistence of Gaussian 2-designs

2-designs -- ensembles of quantum pure states whose 2nd moments equal those of the uniform Haar ensemble -- are optimal solutions for several tasks in quantum information science, especially state and process tomography. We show that Gaussian states cannot form a 2-design for the continuous-variable (quantum optical) Hilbert space L2(R). This is surprising because the affine symplectic group HWSp (the natural symmetry group of Gaussian states) is irreducible on the symmetric subspace of two copies. In finite dimensional Hilbert spaces, irreducibility guarantees that HWSp-covariant ensembles (such as mutually unbiased bases in prime dimensions) are always 2-designs. This property is violated by continuous variables, for a subtle reason: the (well-defined) HWSp-invariant ensemble of Gaussian states does not have an average state because the averaging integral does not converge. In fact, no Gaussian ensemble is even close (in a precise sense) to being a 2-design. This surprising difference between discrete and continuous quantum mechanics has important implications for optical state and process tomography.Comment: 9 pages, no pretty figures (sorry!

Origin of Ferroelectricity in Orthorhombic LuFeO3_3

We demonstrate that small but finite ferroelectric polarization ($\sim$0.01 $\mu$C/cm$^2$) emerges in orthorhombic LuFeO$_3$ ($Pnma$) at $T_N$ ($\sim$600 K) because of commensurate (k = 0) and collinear magnetic structure. The synchrotron x-ray and neutron diffraction data suggest that the polarization could originate from enhanced bond covalency together with subtle contribution from lattice. The theoretical calculations indicate enhancement of bond covalency as well as the possibility of structural transition to the polar $Pna2_1$ phase below $T_N$. The $Pna2_1$ phase, in fact, is found to be energetically favorable below $T_N$ in orthorhombic LuFeO$_3$ ($albeit$ with very small energy difference) than in isostructural and nonferroelectric LaFeO$_3$ or NdFeO$_3$. Application of electric field induces finite piezostriction in LuFeO$_3$ via electrostriction resulting in clear domain contrast images in piezoresponse force microscopy.Comment: 12 pages, 8 figure

The Glucose Model of Mediation: Physiological Bases of Willpower as Important Explanations for Common Mediation Behavior

Success in life requires the ability to resist urges and control behavior. This ability is commonly called “willpower,” the capacity to overcome impulses and engage in conscious acts of self-control. Social psychologists believe willpower is a finite resource dependent on physiological bases including glucose (from food and drink), sleep and other forms of rest, and the absence of stress. In short, people who are hungry, exhausted, or highly stressed tend to have less willpower than those who are well-fed, well-rested, and relatively stress-free. In addition, a person who exerts self-control (uses willpower) tends to reduce temporarily the amount of willpower remaining, so decision-making and other aspects of self-control are weakened during this depleted state. Restoring willpower (and thus restoring decision-making abilities) can often be achieved by physiological replenishment, such as: ingesting glucose, sleep (and other forms of rest) and breaks from stress. The physiological bases of willpower combine with the importance of deadlines to offer a compelling explanation for why so many mediations follow a predictable pattern. Most significantly, the physiological bases of willpower go a long way to explaining why many mediations scheduled for a single day begin with stalwart opening positions and end with a signed settlement agreement late in the day. This Article provides a physiological explanation of typical mediation behavior and shows that an awareness of physiology reveals ethical issues with current mediation practice. Part I of this Article discusses the science, specifically the Strength and Glucose Models of Self-Control and their applications across studies of medicine, morality and negotiation. Part II outlines the course of a typical daylong mediation and shows the extent to which common mediation behavior is well-explained by the physiology of willpower when people are operating under deadlines. Part III examines the significance of the Glucose Model of Mediation by identifying ethical issues relating to willpower depletion in mediation