Results 81 to 90 of about 776,080 (294)

Measuring the Hausdorff Dimension of Quantum Mechanical Paths

, 1995
We measure the propagator length in imaginary time quantum mechanics by Monte Carlo simulation on a lattice and extract the Hausdorff dimension $d_{H}$.
Abbot, B. Plache, Brueckner, Feynman, Glimm, H. Kröger, Itzykson, K.J.M. Moriarty, Kröger, Madelung, Mandelbrot, Nelson, S. Lantagne, Schulman   +13 more
core   +1 more source

Oxide‐Free Titanium Coatings by Wire Arc Spraying in a Silane‐Doped Inert Atmosphere

Advanced Engineering Materials, EarlyView.
A silane‐doped argon atmosphere enables the production of oxide‐free titanium coatings via twin‐wire arc spraying at ambient pressure. This innovative approach eliminates residual oxygen, creating process conditions that prevent oxidation and nitride formation.
Manuel Rodriguez Diaz, Maik Szafarska, René Gustus, Kai Möhwald, Hans Jürgen Maier   +4 more
wiley   +1 more source

Current-driven fast magnetic octupole domain-wall motion in noncollinear antiferromagnets

Nature Communications
Antiferromagnets (AFMs) have the natural advantages of terahertz spin dynamics and negligible stray fields, thus appealing for use in domain-wall applications.
Mingxing Wu, Taishi Chen, Takuya Nomoto, Yaroslav Tserkovnyak, Hironari Isshiki, Yoshinobu Nakatani, Tomoya Higo, Takahiro Tomita, Kouta Kondou, Ryotaro Arita, Satoru Nakatsuji, Yoshichika Otani   +11 more
doaj   +1 more source

Optical lattice quantum simulator for QED in strong external fields: spontaneous pair creation and the Sauter-Schwinger effect

, 2011
Spontaneous creation of electron-positron pairs out of the vacuum due to a strong electric field is a spectacular manifestation of the relativistic energy-momentum relation for the Dirac fermions.
, Aidelsburger M, Boada O Celi A Latorre J I Lewenstein M, Bunkin F V, Dominguez-Adame F, Greiner W, Kennedy P, Kim S P, Loewe M, Mazza L, N Szpak, Narozhnyi N B, Nikishov A I, Pickl P, Pomeranchuk I, Popov V S, Popov V S, R Schützhold, Scharf G, Szpak N, Szpak N, Szpak N, Thommen Q, Weisskopf V, Witthaut D   +24 more
core   +1 more source

Tailored Hierarchical Porous Copper Architectures via Three Dimensional Printing and Pressure‐less Sintering for Next‐Generation Lithium‐Metal Batteries

Advanced Engineering Materials, EarlyView.
A hierarchical porous copper current collector is fabricated via three‐dimensional printing combined with pressureless sintering to stabilize lithium metal anodes. The interconnected architecture lowers local current density, guides uniform Li deposition within pores, and suppresses dendrite growth.
Alok Kumar Mishra, Mukul Shukla
wiley   +1 more source

Effective mass of free neutrons in neutron star crust

, 2005
The inner layers of a neutron star crust, composed of a Coulomb lattice of neutron rich nuclear clusters immersed in a sea of ``free'' superfluid neutrons, are closely analogous to periodic condensed matter systems such as electronic, photonic or ...
Andersson, Andersson, Andreev, Baldo, Baym, Bonche, Brack, Bulgac, Burdick, Carter, Carter, Carter, Chabanat, Chabanat, Chabanat, Chabanat, Chamel, Chamel, Choy, Cohen, Douchin, Douchin, Economou, Feynman, Gilat, Gilat, Gusakov, Haensel, Hüttner, Khan, Kittel, Koelling, Koster, Krivine, Magierski, Magierski, Negele, Nicolas Chamel, Phillips, Sandulescu, Sandulescu, Segall, Shockley, Siemens, Singh, Slater, Zeilinger   +46 more
core   +2 more sources

Investigation of Thermo‐Chemical Processes in Commercial MgO‐C Refractory Bricks With and Without MgO‐C Recyclate at Elevated Temperatures

Advanced Engineering Materials, EarlyView.
This study investigates thermo‐chemical processes during high‐temperature testing of two commercial MgO‐C brick grades, one containing 47.5 wt.% MgO‐C recyclate. Using ETV, DTA/TG‐MS, XRD, and SEM/EDS/EBSD, mechanisms such as carbothermal reduction of magnesia, impurity incorporation into the secondary MgO surface layer, and calcium‐rich phase ...
Alexander Schramm, Jana Hubálková, Christian Schimpf, Thomas Schemmel, Christos G. Aneziris, Anja Weidner, Horst Biermann   +6 more
wiley   +1 more source

Liquid heat capacity in the approach from the solid state: anharmonic theory

, 2011
Calculating liquid energy and heat capacity in general form is an open problem in condensed matter physics. We develop a recent approach to liquids from the solid state by accounting for the contribution of anharmonicity and thermal expansion to liquid ...
Dima Bolmatov, J. Frenkel, J. L. Barrat, J. M. Ziman, J. P. Boon, J. P. Hansen, Kostya Trachenko, L. D. Landau, N. H. March, O. L. Anderson   +9 more
core   +1 more source

Population of Nonmetallic Inclusions in Liquid High‐Silicon Electrical Steel in Contact With MgO–C Refractories Based on Recyclates and Environmentally Friendly Binders

Advanced Engineering Materials, EarlyView.
The formation of nonmetallic inclusions (NMIs) was investigated in this study, carrying out immersion tests for 30 min at a temperature of 1600°C with liquid high‐silicon electrical steel (Si ≈ 3 mass‐%) and different MgO–C refractories. Conventional MgO–C refractories were considered, as well as MgO–C refractories containing MgO–C recyclate and ...
Lukas Neubert, Matheus Roberto Bellé, Florian Kerber, Dinesh Kumar Gunasekar, Hans‐Jörn Weddige, Christos G. Aneziris, Olena Volkova   +6 more
wiley   +1 more source

Quantized surface transport in topological Dirac semimetal films

Nature Communications, 2019
The recent observation of quantum Hall states in bulk Dirac semimetal Cd3As2 is possibly evolved from topological states. Here, Nishihaya et al. report surface quantum oscillation and its evolution into quantum Hall states in Cd3As2 thin films, where ...
Shinichi Nishihaya, Masaki Uchida, Yusuke Nakazawa, Ryosuke Kurihara, Kazuto Akiba, Markus Kriener, Atsushi Miyake, Yasujiro Taguchi, Masashi Tokunaga, Masashi Kawasaki   +9 more
doaj   +1 more source