Browsing FAS Scholarly Articles by Title
Now showing items 6127-6146 of 18258
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Fractional quantum Hall effect in optical lattices
(American Physical Society (APS), 2007)We analyze a recently proposed method to create fractional quantum Hall FQH states of atoms confined in optical lattices A. Sørensen et al., Phys. Rev. Lett. 94, 086803 2005 . Extending the previous work, we investigate ... -
Fractional Quantum Hall Phase Transitions and Four-Flux States in Graphene
(American Physical Society (APS), 2013)Graphene and its multilayers have attracted considerable interest because their fourfold spin and valley degeneracy enables a rich variety of broken-symmetry states arising from electron-electron interactions, and raises ... -
Fractional Quantum Hall States of Atoms in Optical Lattices
(American Physical Society (APS), 2005)We describe a method to create fractional quantum Hall states of atoms confined in optical lattices. We show that the dynamics of the atoms in the lattice is analogous to the motion of a charged particle in a magnetic field ... -
Fractionalization
(Springer Verlag, 2003)We provide new measures of ethnic, linguistic, and religious fractionalization for about 190 countries. These measures are more comprehensive than those previously used in the economics literature and we compare our new ... -
Fractionalization patterns in strongly correlated electron systems: Spin-charge separation and beyond
(American Physical Society (APS), 2002)We discuss possible patterns of electron fractionalization in strongly interacting electron systems. A popular possibility is one in which the charge of the electron has been liberated from its Fermi statistics. Such a ... -
Fractionalized Fermi liquid on the surface of a topological Kondo insulator
(American Physical Society (APS), 2016)We argue that topological Kondo insulators can also have 'intrinsic' topological order associated with fractionalized excitations on their surfaces. The hydridization between the local moments and conduction electrons can ... -
Fractionalized Fermi liquid with bosonic chargons as a candidate for the pseudogap metal
(American Physical Society (APS), 2016)Doping a Mott-insulating Z 2 spin liquid can lead to a fractionalized Fermi liquid (FL*). Such a phase has several favorable features that make it a candidate for the pseudogap metal for the underdoped cuprates. We focus ... -
Fractionating Polymer Microspheres as Highly Accurate Density Standards
(American Chemical Society (ACS), 2015)This paper describes a method of isolating small, highly accurate density-standard beads and characterizing their densities using accurate and experimentally traceable techniques. Density standards have a variety of ... -
Fractionation of multiple sulfur isotopes during phototrophic oxidation of sulfide and elemental sulfur by a green sulfur bacterium
(Elsevier BV, 2009)We present multiple sulfur isotope measurements of sulfur compounds associated with the oxidation of H2S and S0 by the anoxygenic phototrophic S-oxidizing bacterium Chlorobium tepidum . Discrimination between 34S and 32S ... -
Fracture of electrodes in lithium-ion batteries caused by fast charging
(AIP Publishing, 2010)During charging or discharging of a lithium-ion battery, lithium is extracted from one electrode and inserted into the other. This extraction-insertion reaction causes the electrodes to deform. An electrode is often composed ... -
The Fragmentary Muse and the Poetics of Refraction in Sappho, Sophocles, Offenbach
(transcript Verlag, 2009)The idea of a fragmentary Muse comes from a fragmentary opera, The Tales of Hoffmann (Les Contes d’Hoffmann), by Jacques Offenbach. Such a Muse, I argue, embodies a complex metaphor that I sum up in one word, refraction. ... -
Fragmented: The T'ongch'ŏng Movements by Marginalized Status Groups in Late Chosŏn Korea
(Harvard-Yenching Institute, 2008) -
Fragonard: The Fantasy Figures
(Artforum International Magazine, 2017-12)RARELY DOES A MERE SHEET OF PAPER radically challenge our view of a major artist’s oeuvre. But this is exactly what happened when, in June 2012, a previously unknown page of brown-ink-and-pencil sketches by Jean-Honoré ... -
A framework for a teaching toolkit in entrepreneurship education
(Inderscience Publishers, 2017)Despite mounting interest in entrepreneurship education (EE), innovative approaches such as multimedia, web-based toolkits including entrepreneurial storytelling have been largely ignored in the EE discipline. Therefore, ... -
A Framework for Incentivizing Deep Fixes
(AAAI, 2015)We study the problem of how to incentivize deep fixes to software bugs, where a deep fix attempts to correct the root cause of the bug instead of just suppressing it superficially. To this end we introduce a dynamic model ... -
A framework for modeling the detailed optical response of thick, multiple segment, large format sensors for precision astronomy applications
(SPIE, 2014)Near-future astronomical survey experiments, such as LSST, possess system requirements of unprecedented fidelity that span photometry, astrometry and shape transfer. Some of these requirements flow directly to the array ... -
A Framework for Studying Synaptic Plasticity with Neural Spike Train Data
(Neural Information Processing Systems Foundation, Inc., 2014)Learning and memory in the brain are implemented by complex, time-varying changes in neural circuitry. The computational rules according to which synaptic weights change over time are the subject of much research, and are ... -
A framework for the interpretation of de novo mutation in human disease
(2014)Spontaneously arising (‘de novo’) mutations play an important role in medical genetics. For diseases with extensive locus heterogeneity – such as autism spectrum disorders (ASDs) – the signal from de novo mutations (DNMs) ... -
Framework to predict optimal buffer layer pairing for thin film solar cell absorbers: A case study for tin sulfide/zinc oxysulfide
(AIP Publishing, 2015)An outstanding challenge in the development of novel functional materials for optoelectronic devices is identifying suitable charge-carrier contact layers. Herein, we simulate the photovoltaic device performance of various ... -
Framing Race and Poverty
(American Sociological Association, 2009)William Julius Wilson argues it's extremely important to discuss how race and poverty are related in public policy discussions. Policies must be framed to facilitate a frank discussion of the problems that ought to be ...