X-ray Polarization of the Black Hole X-ray Binary 4U 1630-47 Challenges Standard Thin Accretion Disk Scenario

Posted by dbos MIT

Kavli Affiliate: Herman Marshall | First 5 Authors: Ajay Ratheesh, Michal Dovčiak, Henric Krawczynski, Jakub Podgorný, Lorenzo Marra | Summary: Large energy-dependent X-ray polarization degree is detected by the Imaging X-ray Polarimetry Explorer ({IXPE}) in the high-soft emission state of the black hole X-ray binary 4U 1630–47. The highly significant detection (at $approx50sigma$ confidence level) […]


Continue.. X-ray Polarization of the Black Hole X-ray Binary 4U 1630-47 Challenges Standard Thin Accretion Disk Scenario

X-ray Polarization of the Black Hole X-ray Binary 4U 1630-47 Challenges Standard Thin Accretion Disk Scenario

Posted by dbos MIT

Kavli Affiliate: Herman Marshall | First 5 Authors: Ajay Ratheesh, Michal Dovčiak, Henric Krawczynski, Jakub Podgorný, Lorenzo Marra | Summary: Large energy-dependent X-ray polarization degree is detected by the Imaging X-ray Polarimetry Explorer ({IXPE}) in the high-soft emission state of the black hole X-ray binary 4U 1630–47. The highly significant detection (at $approx50sigma$ confidence level) […]


Continue.. X-ray Polarization of the Black Hole X-ray Binary 4U 1630-47 Challenges Standard Thin Accretion Disk Scenario

X-ray Polarization of the Black Hole X-ray Binary 4U 1630-47 Challenges Standard Thin Accretion Disk Scenario

Posted by dbos MIT

Kavli Affiliate: Herman Marshall | First 5 Authors: Ajay Ratheesh, Michal Dovčiak, Henric Krawczynski, Jakub Podgorný, Lorenzo Marra | Summary: Large energy-dependent X-ray polarization degree is detected by the Imaging X-ray Polarimetry Explorer ({IXPE}) in the high-soft emission state of the black hole X-ray binary 4U 1630–47. The highly significant detection (at $approx50sigma$ confidence level) […]


Continue.. X-ray Polarization of the Black Hole X-ray Binary 4U 1630-47 Challenges Standard Thin Accretion Disk Scenario

The high polarisation of the X-rays from the Black Hole X-ray Binary 4U 1630-47 challenges standard thin accretion disc scenario

Posted by dbos MIT

Kavli Affiliate: Herman Marshall | First 5 Authors: Ajay Ratheesh, Michal Dovčiak, Henric Krawczynski, Jakub Podgorný, Lorenzo Marra | Summary: Large, energy-dependent X-ray polarisation is observed in 4U 1630-47, a black hole in an X-ray binary, in the high-soft emission state. In this state, X-ray emission is believed to be dominated by a thermal, geometrically […]


Continue.. The high polarisation of the X-rays from the Black Hole X-ray Binary 4U 1630-47 challenges standard thin accretion disc scenario

The high polarisation of the X-rays from the Black Hole X-ray Binary 4U 1630-47 challenges standard thin accretion disc scenario

Posted by dbos Stanford

Kavli Affiliate: Roger Romani | First 5 Authors: Ajay Ratheesh, Michal Dovčiak, Henric Krawczynski, Jakub Podgorný, Lorenzo Marra | Summary: Large, energy-dependent X-ray polarisation is observed in 4U 1630-47, a black hole in an X-ray binary, in the high-soft emission state. In this state, X-ray emission is believed to be dominated by a thermal, geometrically […]


Continue.. The high polarisation of the X-rays from the Black Hole X-ray Binary 4U 1630-47 challenges standard thin accretion disc scenario

Non-linear optics at twist interfaces in h-BN/SiC heterostructures

Posted by dbos Berkeley

Kavli Affiliate: Xiang Zhang | First 5 Authors: Abhijit Biswas, Rui Xu, Gustavo A. Alvarez, Jin Zhang, Joyce Christiansen-Salameh | Summary: Understanding the emergent electronic structure in twisted atomically thin layers has led to the exciting field of twistronics. However, practical applications of such systems are challenging since the specific angular correlations between the layers […]


Continue.. Non-linear optics at twist interfaces in h-BN/SiC heterostructures

Non-linear optics at twist interfaces in h-BN/SiC heterostructures

Posted by dbos Cornell

Kavli Affiliate: Zhiting Tian | First 5 Authors: Abhijit Biswas, Rui Xu, Gustavo A. Alvarez, Jin Zhang, Joyce Christiansen-Salameh | Summary: Understanding the emergent electronic structure in twisted atomically thin layers has led to the exciting field of twistronics. However, practical applications of such systems are challenging since the specific angular correlations between the layers […]


Continue.. Non-linear optics at twist interfaces in h-BN/SiC heterostructures

Imaging 3D Chemistry at 1 nm Resolution with Fused Multi-Modal Electron Tomography

Posted by dbos Berkeley

Kavli Affiliate: Ting Xu | First 5 Authors: Jonathan Schwartz, Zichao Wendy Di, Yi Jiang, Jason Manassa, Jacob Pietryga | Summary: Measuring the three-dimensional (3D) distribution of chemistry in nanoscale matter is a longstanding challenge for metrological science. The inelastic scattering events required for 3D chemical imaging are too rare, requiring high beam exposure that […]


Continue.. Imaging 3D Chemistry at 1 nm Resolution with Fused Multi-Modal Electron Tomography

X-ray nanotomography reveals formation of single diamonds by block copolymer self-assembly

Posted by dbos Cornell

Kavli Affiliate: Ulrich B. Wiesner | First 5 Authors: Kenza Djeghdi, Dmitry Karpov, S. Narjes Abdollahi, Karolina Godlewska, Mirko Holler | Summary: Block copolymers are recognised as a valuable platform for creating nanostructured materials with unique properties. Morphologies formed by block copolymer self-assembly can be transferred into a wide range of inorganic materials, enabling applications […]


Continue.. X-ray nanotomography reveals formation of single diamonds by block copolymer self-assembly

Aspects of higher-point functions in BCFT$_d$

Posted by dbos UCAS

Kavli Affiliate: Xinan Zhou | First 5 Authors: Junding Chen, Xinan Zhou, , , | Summary: We study three-point correlation functions of scalar operators in conformal field theories with boundaries and interfaces. We focus on two cases where there are one bulk and two boundary operators (B$partialpartial$), or two bulk and one boundary operators (BB$partial$). […]


Continue.. Aspects of higher-point functions in BCFT$_d$