Scientific Reports – #Physics digest: January 2013

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Unraveling the interlayer-related phonon self-energy renormalization in bilayer graphene
Paulo T. Araujo, Daniela L. Mafra, Kentaro Sato et al.
In this letter, we present a step towards understanding the bilayer graphene (2LG) interlayer (IL)-related phonon combination modes and overtones as well as their phonon …

Transport of fullerene molecules along graphene nanoribbons
Alexander V. Savin, Yuri S. Kivshar
We study the motion of C60 fullerene molecules and short-length carbon nanotubes on graphene nanoribbons. We reveal that the character of the motion of C60 depends on temperature: …
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Taming the Collapse of Optical Fields
Si-Min Li, Yongnan Li, Xi-Lin Wang et al.
Field collapse, which occurs in various nonlinear systems, has attracted much attention, owing to its universality, complexity, and applicability. A great challenge and …
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Unraveling the Atomic Structure of Ultrafine Iron Clusters
Hongtao Wang, Kun Li, Yingbang Yao et al.
Unraveling the atomic structures of ultrafine iron clusters is critical to understanding their size-dependent catalytic effects and electronic properties. Here, we describe the …
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Absence of a Spin Liquid Phase in the Hubbard Model on the Honeycomb Lattice
Sandro Sorella, Yuichi Otsuka, Seiji Yunoki
A spin liquid is a novel quantum state of matter with no conventional order parameter where a finite charge gap exists even though the band theory would predict metallic behavior. …
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Scientific Reports #Physics: August 2012

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Pseudogap temperature as a Widom line in doped Mott insulators 

 
 

G. Sordi, P. Sémon, K. Haule et al.

 
 

The pseudogap refers to an enigmatic state of matter with unusual physical properties found below a characteristic temperature T* in hole-doped high-temperature superconductors. …

 
 
 
 
 
 

Beam-assisted large elongation of in situ formed Li2O nanowires 

 
 

He Zheng, Yang Liu, Scott X. Mao et al.

 
 

As an important component of the solid electrolyte interface in lithium ion batteries and an effective blanket breeding material in fusion reactor, the mechanical property of Li2O …

 
 
 
 
 
 

A synthetic small molecule for rapid induction of multiple pluripotency genes in mouse embryonic fibroblasts 

 
 

Ganesh N. Pandian, Yusuke Nakano, Shinsuke Sato et al.

 
 

Cellular reprogramming involves profound alterations in genome-wide gene expression that is precisely controlled by a hypothetical epigenetic code. Small molecules have been shown …

 
 
 
 
 
 

Measuring the Evolution of Contemporary Western Popular Music 

 
 

Joan Serrà, Álvaro Corral, Marián Boguñá et al.

 
 

Popular music is a key cultural expression that has captured listeners' attention for ages. Many of the structural regularities underlying musical discourse are yet to be …

 
 
 
 
 
 

Binding Mode of CpG Oligodeoxynucleotides to Nanoparticles Regulates Bifurcated Cytokine induction via Toll-like Receptor 9 

 
 

Shanmugavel Chinnathambi, Song Chen, Singaravelu Ganesan et al.

 
 

The interaction of cytosine-phosphate-guanine oligodeoxynucleotides (CpG ODNs) with Toll-like receptor 9 (TLR9) activates the immune system. Multimeric class A CpG ODNs induce …

 
 
 
 
 
 

Statistical Agent Based Modelization of the Phenomenon of Drug Abuse 

 
 

Riccardo Di Clemente, Luciano Pietronero

 
 

We introduce a statistical agent based model to describe the phenomenon of drug abuse and its dynamical evolution at the individual and global level. The agents are heterogeneous …

 
 
 
 
 
 

Current Driven Magnetic Damping in Dipolar-Coupled Spin System 

 
 

Sung Chul Lee, Ung Hwan Pi, Keewon Kim et al.

 
 

Magnetic damping of the spin, the decay rate from the initial spin state to the final state, can be controlled by the spin transfer torque. Such an active control of damping has …

 
 
 
 
 
 

Spin-polarized Wide Electron Slabs in Functionally Graded Polar Oxide Heterostructures 

 
 

Jiandong Ye, Sze Ter Lim, Michel Bosman et al.

 
 

We report on the high mobility wide electron slabs with enhanced correlation effects by tailoring the polarization effects in a functionally graded ZnMgO/ZnO heterostructures. The …

 
 
 
 
 
 

Fractal cartography of urban areas 

 
 

Sara Encarnação, Marcos Gaudiano, Francisco C. Santos et al.

 
 

In a world in which the pace of cities is increasing, prompt access to relevant information is crucial to the understanding and regulation of land use and its evolution in time. …

 
 
 
 
 
 

A Novel Solid-State Thermal Rectifier Based On Reduced Graphene Oxide 

 
 

He Tian, Dan Xie, Yi Yang et al.

 
 

Recently, manipulating heat transport by phononic devices has received significant attention, in which phonon – a heat pulse through lattice, is used to carry energy. In addition …

 
 
 
 
 
 

On creative machines and the physical origins of freedom 

 
 

Hans J. Briegel

 
 

We discuss the possibility of free behavior in embodied systems that are, with no exception and at all scales of their body, subject to physical law. We relate the discussion to a …

 
 
 
 
 
 

A Bayesian analysis of the chromosome architecture of human disorders by integrating reductionist data 

 
 

Frank Emmert-Streib, Ricardo de Matos Simoes, Shailesh Tripathi et al.

 
 

In this paper, we present a Bayesian approach to estimate a chromosome and a disorder network from the Online Mendelian Inheritance in Man (OMIM) database. In contrast to other …

 
 
 
 
 
 

Crystal structure of graphite under room-temperature compression and decompression 

 
 

Yuejian Wang, Joseph E. Panzik, Boris Kiefer et al.

 
 

Recently, sophisticated theoretical computational studies have proposed several new crystal structures of carbon (e.g., bct-C4, H-, M-, R-, S-, W-, and Z-carbon). However, until …

 
 
 
 
 
 

Information Processing Capacity of Dynamical Systems 

 
 

Joni Dambre, David Verstraeten, Benjamin Schrauwen et al.

 
 

Many dynamical systems, both natural and artificial, are stimulated by time dependent external signals, somehow processing the information contained therein. We demonstrate how to …

 
 
 
 
 
 

Tuning Charge and Spin Excitations in Zigzag Edge Nanographene Ribbons 

 
 

Sudipta Dutta, Katsunori Wakabayashi

 
 

Graphene and its quasi-one-dimensional counterpart, graphene nanoribbons, present an ideal platform for tweaking their unique electronic, magnetic and mechanical properties by …

 
 
 
 
 
 

Robust adhesion of flower-like few-layer graphene nanoclusters 

 
 

Shibing Tian, Lin Li, Wangning Sun et al.

 
 

Nanostructured surface possessing ultrahigh adhesion like “gecko foot” or “rose petal” can offer more opportunities for bionic application. We grow flower-like few-layer graphene …

 
 
 
 
 
 

Separation and liquid chromatography using a single carbon nanotube 

 
 

Riju Singhal, Vadym N. Mochalin, Maria R. Lukatskaya et al.

 
 

Use of a single template-grown carbon nanotube as a separation column to separate attoliter volumes of binary mixtures of fluorescent dyes has been demonstrated. The cylindrical …

 
 
 
 
 
 

Not all physical errors can be linear CPTP maps in a correlation space 

 
 

Tomoyuki Morimae, Keisuke Fujii

 
 

In the framework of quantum computational tensor network, which is a general framework of measurement-based quantum computation, the resource many-body state is represented in a …

 
 
 
 
 
 

Nucleoprotein filament formation is the structural basis for bacterial protein H-NS gene silencing 

 
 

Ci Ji Lim, Sin Yi Lee, Linda J. Kenney et al.

 
 

H-NS is an abundant nucleoid-associated protein in bacteria that globally silences genes, including horizontally-acquired genes related to pathogenesis. Although it has been shown …

 
 
 
 
 
 

The microscopic pathway to crystallization in supercooled liquids 

 
 

John Russo, Hajime Tanaka

 
 

Despite its fundamental and technological importance, a microscopic understanding of the crystallization process is still elusive. By computer simulations of the hard-sphere model …

 
 
 
 
 
 

Thyroid doses for evacuees from the Fukushima nuclear accident 

 
 

Shinji Tokonami, Masahiro Hosoda, Suminori Akiba et al.

 
 

A primary health concern among residents and evacuees in affected areas immediately after a nuclear accident is the internal exposure of the thyroid to radioiodine, particularly …

 
 
 
 
 
 

Trends in scale and shape of survival curves 

 
 

Byung Mook Weon, Jung Ho Je

 
 

The ageing of the population is an issue in wealthy countries worldwide because of increasing costs for health care and welfare. Survival curves taken from demographic life tables …

 
 
 
 
 
 

The Perceptual Cues that Reshape Expert Reasoning 

 
 

Michael Harré, Terry Bossomaier, Allan Snyder

 
 

The earliest stages in our perception of the world have a subtle but powerful influence on later thought processes; they provide the contextual cues within which our thoughts are …

 
 
 
 
 
 

Single-Molecule Electrical Random Resequencing of DNA and RNA 

 
 

Takahito Ohshiro, Kazuki Matsubara, Makusu Tsutsui et al.

 
 

Two paradigm shifts in DNA sequencing technologies—from bulk to single molecules and from optical to electrical detection—are expected to realize label-free, low-cost DNA …

 
 
 
 
 
 

Carcinogenicity evaluation for the application of carbon nanotubes as biomaterials in rasH2 mice 

 
 

Seiji Takanashi, Kazuo Hara, Kaoru Aoki et al.

 
 

The application of carbon nanotubes (CNTs) as biomaterials is of wide interest, and studies examining their application in medicine have had considerable significance. Biological …

 
 
 
 
 
 

Magnetic light 

 
 

Arseniy I. Kuznetsov, Andrey E. Miroshnichenko, Yuan Hsing Fu et al.

 
 

Spherical silicon nanoparticles with sizes of a few hundreds of nanometers represent a unique optical system. According to theoretical predictions based on Mie theory they can …

 
 
 
 
 
 

Testing quantum mechanics in non-Minkowski space-time with high power lasers and 4th generation light sources 

 
 

B. J. B. Crowley, R. Bingham, R. G. Evans et al.

 
 

A common misperception of quantum gravity is that it requires accessing energies up to the Planck scale of 1019 GeV, which is unattainable from any conceivable particle collider. …

 
 
 
 
 
 

Deformation-induced localized solid-state amorphization in nanocrystalline nickel 

 
 

Shuang Han, Lei Zhao, Qing Jiang et al.

 
 

Although amorphous structures have been widely obtained in various multi-component metallic alloys, amorphization in pure metals has seldom been observed and remains a …

 
 
 
 
 
 

Optimal spike-based communication in excitable networks with strong-sparse and weak-dense links 

 
 

Jun-nosuke Teramae, Yasuhiro Tsubo, Tomoki Fukai

 
 

The connectivity of complex networks and functional implications has been attracting much interest in many physical, biological and social systems. However, the significance of …

 
 
 
 
 

Scientific Reports #Chemistry: August 2012

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A synthetic small molecule for rapid induction of multiple pluripotency genes in mouse embryonic fibroblasts 

 
 

Ganesh N. Pandian, Yusuke Nakano, Shinsuke Sato et al.

 
 

Cellular reprogramming involves profound alterations in genome-wide gene expression that is precisely controlled by a hypothetical epigenetic code. Small molecules have been shown …

 
 
 
 
 
 

Beam-assisted large elongation of in situ formed Li2O nanowires 

 
 

He Zheng, Yang Liu, Scott X. Mao et al.

 
 

As an important component of the solid electrolyte interface in lithium ion batteries and an effective blanket breeding material in fusion reactor, the mechanical property of Li2O …

 
 
 
 
 
 

Tuning Charge and Spin Excitations in Zigzag Edge Nanographene Ribbons 

 
 

Sudipta Dutta, Katsunori Wakabayashi

 
 

Graphene and its quasi-one-dimensional counterpart, graphene nanoribbons, present an ideal platform for tweaking their unique electronic, magnetic and mechanical properties by …

 
 
 
 
 
 

Separation and liquid chromatography using a single carbon nanotube 

 
 

Riju Singhal, Vadym N. Mochalin, Maria R. Lukatskaya et al.

 
 

Use of a single template-grown carbon nanotube as a separation column to separate attoliter volumes of binary mixtures of fluorescent dyes has been demonstrated. The cylindrical …

 
 
 
 
 
 

Nucleoprotein filament formation is the structural basis for bacterial protein H-NS gene silencing 

 
 

Ci Ji Lim, Sin Yi Lee, Linda J. Kenney et al.

 
 

H-NS is an abundant nucleoid-associated protein in bacteria that globally silences genes, including horizontally-acquired genes related to pathogenesis. Although it has been shown …

 
 
 
 
 
 

Single-Molecule Electrical Random Resequencing of DNA and RNA 

 
 

Takahito Ohshiro, Kazuki Matsubara, Makusu Tsutsui et al.

 
 

Two paradigm shifts in DNA sequencing technologies—from bulk to single molecules and from optical to electrical detection—are expected to realize label-free, low-cost DNA …