On distinguishability, orthogonality, and violations of the second law: contradictory assumptions, contrasting pieces of knowledge

Two statements by von Neumann and a thought-experiment by Peres prompts a discussion on the notions of one-shot distinguishability, orthogonality, semi-permeable diaphragm, and their thermodynamic implications. In the first part of the paper, these concepts are defined and discussed, and it is explained that one-shot distinguishability and orthogonality are contradictory assumptions, from which one cannot rigorously draw any conclusion, concerning e.g. violations of the second law of thermodynamics. In the second part, we analyse what happens when these contradictory assumptions comes, instead, from _two_ different observers, having different pieces of knowledge about a given physical situation, and using incompatible density matrices to describe it.Comment: LaTeX2e/RevTeX4, 18 pages, 6 figures. V2: Important revisio

研究発表 <助六>をめぐる江戸中期の煙草文化と歌舞伎における「型」の発展

The artistic expression of the formalized kata-acting in Kabuki is a medium transmitting Japanese cultural history to the present day. As any artistic media involuntarily or voluntarily does, it distorts and confiures a past reality. Therefore, we need to understand how and when kata-acting was created in order to understand what it really shows us.In this presentation, I will focus on the diary (destroyed in fire ca 1810, copies exist) of Ichikawa Danjûrô II (1688-1757), a central figure of the Edo Kabuki world and known as the creator of many of the katas still enacted today. From this diary we know that Danjûrô II was - not, in his opinion, at all contradictory to his health and diet interests - a passionate tobacco smoker, and I will show how this habit influenced his acting and how it came to be medialized into kata by looking especially at the displays of tobacco and smoking in the Sukeroku drama.After a brief introduction on the parallel development of a socially accepted smoking culture and acting using pipes as props and smoking as artistic expression, I will analyze Danjûrô II’s diary entries on smoking and compare them to records on his acting. As few written plays remain today, the Actors Reviews (Yakusha hyôban ki) and Ukiyo-es are our prime source for understanding the process of acting and directing of the mid-18th century.By focusing on Sukeroku, probably the most famous smoking character developed by Danjûrô II, it is possible to follow up how the usage of tobacco utensils and the smoking habits of the different characters in the act developed over time and came to be standardized into the format that we know today. From this perspective, I will lastly consider the manyfold reasons for this process and the potential meanings of institutionalizing a substance such as tobacco into a cultural medium

「享保期における江戸の歌舞伎―二代目市川団十郎を中心に―」

RIKKYO UNIVERSITY（立教大学）立教大学大学院文学研究科日本文学専

Toward Nanowire Electronics

This paper discusses the electronic transport properties of nanowire field-effect transistors (NW-FETs). Four different device concepts are studied in detail: Schottky-barrier NW-FETs with metallic source and drain contacts, conventional-type NW-FETs with doped NW segments as source and drain electrodes, and, finally, two new concepts that enable steep turn-on characteristics, namely, NW impact ionization FETs and tunnel NW-FETs. As it turns out, NW-FETs are, to a large extent, determined by the device geometry, the dimensionality of the electronic transport, and the way of making contacts to the NW. Analytical as well as simulation results are compared with experimental data to explain the various factors impacting the electronic transport in NW-FETs

Fabrication, optical characterization and modeling of strained core-shell nanowires

Strained nanowires with varying InAs/InP core-shell thicknesses were grown using Chemical Beam Epitaxy. Microphotoluminescence spectroscopy, performed at low temperature, was then used to study the optical properties of single wires. Emission from the InAs core was observed and its dependence on the shell thickness/core diameter ratio was investigated. We found that it is possible to tune the emission energy towards 0.8 eV by controlling this ratio. We have compared the measured energies with calculated energies. Our findings are consistent with the wires having a hexagonal crystal structure.Comment: 9 pages, 5 figures, Proceedings of the Eighth International Conference on Atomically Controlled Surfaces, Interfaces and Nanostructures and the Thirteenth International Congress on Thin Films - ACSIN-8/ICTF-1

Both Ca2+ and Zn2+ are essential for S100A12 protein oligomerization and function

Background Human S100A12 is a member of the S100 family of EF-hand calcium-modulated proteins that are associated with many diseases including cancer, chronic inflammation and neurological disorders. S100A12 is an important factor in host/parasite defenses and in the inflammatory response. Like several other S100 proteins, it binds zinc and copper in addition to calcium. Mechanisms of zinc regulation have been proposed for a number of S100 proteins e.g. S100B, S100A2, S100A7, S100A8/9. The interaction of S100 proteins with their targets is strongly dependent on cellular microenvironment. Results The aim of the study was to explore the factors that influence S100A12 oligomerization and target interaction. A comprehensive series of biochemical and biophysical experiments indicated that changes in the concentration of calcium and zinc led to changes in the oligomeric state of S100A12. Surface plasmon resonance confirmed that the presence of both calcium and zinc is essential for the interaction of S100A12 with one of its extracellular targets, RAGE – the Receptor for Advanced Glycation End products. By using a single-molecule approach we have shown that the presence of zinc in tissue culture medium favors both the oligomerization of exogenous S100A12 protein and its interaction with targets on the cell surface. Conclusion We have shown that oligomerization and target recognition by S100A12 is regulated by both zinc and calcium. Our present work highlighted the potential role of calcium-binding S100 proteins in zinc metabolism and, in particular, the role of S100A12 in the cross talk between zinc and calcium in cell signaling

GaN and InN nanowires grown by MBE: a comparison

Morphological, optical and transport properties of GaN and InN nanowires grown by molecular beam epitaxy (MBE) have been studied. The differences between the two materials in respect to growth parameters and optimization procedure was stressed. The nanowires crystalline quality has been investigated by means of their optical properties. A comparison of the transport characteristics was given. For each material a band schema was shown, which takes into account transport and optical features and is based on Fermi level pinning at the surface.Comment: 5 pages, 5 figure