Quantum behavior of magnetic excitations revealed in antiferromagnet

- Scientists use theory and experiment to explore the balance between wave and particle characteristics of magnetic excitations -The search for disorder in order

- A signature of an exotic state of matter that remains disordered even at very low temperatures has been experimentally identified -Mind the gap!

- Scanning tunneling microscopy is used to probe electrons in an unconventional superconductor, and uncovers an unexpected energy gap -Melting of frozen frustrations

- Computations reveal how quantum interactions can break a deadlock in magnetic spin ice oxides -Spins on the edge

- The edges of thin films could provide an ideal laboratory for studying the behavior of electron spins -Frustration produces a quantum playground

- A deeper understanding of quantum fluctuations in ‘frustrated’ layered magnetic crystals could speed the development of devices that probe real-world systems using quantum effects -Unraveling a quantum phase transition

- Simulations reveal the details of exotic quantum phase transitions in optically trapped superfluid atoms -There’s more to Higgs than bosons

- The observation of novel behavior in a magnetic material suggests a fresh approach to studying fundamental quantum phenomena -Getting to the heart of frustrated magnetism

- A detailed mathematical model reveals the elusive origins of the unusual magnetic properties of thin films of solid-state helium -Unaffected by imperfections

- Current flowing along the edges of a promising quantum device is insensitive to its magnetic impurities -Pushing the frontier of state control

- The ability to use magnetic fields to control a newly identified state of matter could enable more efficient memory devices -Predicting a chain of order

- Calculations can now predict when and how spins of electrons and ions arrange in one-dimensional multiferroic materials -Particles that are their own worst enemies

- A newly proposed superconducting device could lead to the first observation of particles that are their own antiparticles -Finding hope in a meltdown

- Theoretical physicists find evidence of a new state of matter in a simple oxide -Spin lattices enter a new phase

- A new ordered phase is predicted for geometrically frustrated spin systems even in the absence of magnetic order -A tale of two excitations

- A new theory predicts an unusual excitation spectrum for a chain of ultracold gas atoms -Quantum force on the edge

- A standard measurement of resistance, the quantum Hall effect, changes dramatically at the edge of a sample -Superconductivity: back to basics

- The origin of superconductivity in iron-based materials can now be studied using a basic theoretical model -Critical questions

- Ripples in the structure of graphene could be the key to understanding its unusual characteristics -A hot connection with spin

- A particular spin topology in solid-state materials has a strong influence on thermally generated electron transport -Frustration yields results

- Theoretical calculations elucidate the origin of unusual electronic behaviors recently observed in geometrically frustrated compounds -Spins in nickel stand together

- Theorists extend a simple model to explain ferromagnetism in transition metals -The indecisive insulator

- Researchers are applying relativistic quantum theory to explain how graphene could switch from a metal to an insulator -Electron theory solves heavy problem

- Unusual properties of lithium vanadate explained -Electrons on the edge are fractal

- Understanding a material’s transition from a metallic to an insulating state hinges on the fractal nature of electrons -It's all in the spin

- Researchers show subtle fluctuations in electron spins are the origin of magnetism and superconductivity in a common oxide -Choreography of electrons in one dimension

- A novel theory successfully describes the different interactions governing electrons in narrow quantum wires -Flipping spins create unusual quantum phase

- Mathematical model prompts investigations of solid helium -Transistor statistics add up

- Better predictions of electron behavior could reduce the size of computer chips -

単極子を制御できる新たな物質

－高温で量子スピンアイスとして振る舞う物質を理論設計・解析－磁化プラトー相の量子スピンダイナミクスの解明

－非従来型スピンダイナミクスの理解へ進展－単極子の超固体

－磁性体における磁化の単極子を制御する－凍ったスピンをさらに冷やして量子効果で液体に融かす

－電流を流すことなく磁性体中のスピンを制御する可能性を示す－テラヘルツ波を用いてグラフェンの光学量子ホール効果の観測に世界で初めて成功

- グラフェンの光エレクトロニクス材料としての新たな応用の可能性を開く -“汚い”物質中の電子が持つ美しい対称性『共形不変性』を世界で初めて実証

- 不規則系の臨界現象における理論手法の構築の第一歩 -