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2018-01-17
12:51
[PUBDB-2018-00670] Conference Presentation
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High-energy mid-infrared sub-cycle pulse synthesis
CLEO Pacific Rim, Meeting locationSingapore, Singapore, 31 Jul 2017 - 4 Aug 20172017-07-312017-08-04
We present the carrier-envelope phase-stable mid-infrared sub-cycle pulses, synthesized from an optical parametric amplifier covering the 2.5-9.0 μm range. The strong-field applications in solids and nano-structures are discussed..
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2018-01-15
15:08
arXiv [PUBDB-2018-00650] Journal Article/Report/Contribution to a conference proceedings
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Heavy quark form factors at two loops in perturbative QCD
[DESY 17--188, DO-TH 17/31, TTK-17-36, NIKHEF 2017-059]
XLI International Conference of Theoretical Physics "Matter to the Deepest", Meeting locationPodlesice, Poland, 3 Sep 2017 - 8 Sep 20172017-09-032017-09-08 Acta physica Polonica / B / Proceedings supplement 48(12), 2155-2166 (2017) [DOI:10.5506/APhysPolB.48.2155]  GO
ddc:530
We present the results for heavy quark form factors at two-loop order in perturbative QCD for different currents, namely vector, axial-vector, scalar and pseudo-scalar currents, up to second order in the dimensional regularization parameter. We outline the necessary computational details, ultraviolet renormalization and corresponding universal infrared structure..
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2018-01-15
14:52
arXiv [PUBDB-2018-00649] Journal Article/Report/Contribution to a conference proceedings
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Scalar one-loop vertex integrals as meromorphic functions of space-time dimension d
[KW 17-002, DESY 17-186, DO-TH 17/29]
XLI International Conference of Theoretical Physics “Matter to the Deepest”, , Meeting locationPodlesice, Poland, 3 Sep 2017 - 8 Sep 20172017-09-032017-09-08 Acta physica Polonica / B / Proceedings supplement 48(12), 2313-2320 (2017) [10.5506/APhysPolB.48.2313]  GO
ddc:530
Representations are derived for the basic scalar one-loop vertex Feynman integrals as meromorphic functions of the space-time dimension $d$ in terms of (generalized) hypergeometric functions $_2F_1$ and $F_1$. Values at asymptotic or exceptional kinematic points as well as expansions around the singular points at $d=4+2n$, $n$ non-negative integers, may be derived from the representations easily. [...]
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2018-01-15
14:48
[PUBDB-2018-00648] Journal Article
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Threshold and Jet Radius Joint Resummation for Single-Inclusive Jet Production
ddc:550
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2018-01-15
13:45
[PUBDB-2018-00647] Journal Article
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THz pulse doubler at FLASH: double pulses for pump–probe experiments at X-ray FELs
Photondiag 2017, , Journal of synchrotron radiation 25, 39-43 (2018) [10.1107/S1600577517015442] special issue: "Photondiag2017 workshop"  GO
ddc:540
FLASH, the X-ray free-electron laser in Hamburg, Germany, employs a narrowband high-field accelerator THz source for unique THz pump X-ray probe experiments. However, the large difference in optical paths of the THz and X-ray beamlines prevents utilization of the machine’s full potential (e.g. [...]
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2018-01-14
15:47
[PUBDB-2018-00634] Journal Article
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Synthesis, structural characterization and magnetic properties of ordered mesoporous $Pr_{1−x}Ca_{x}MnO_{3}$ thin films
CrystEngComm 20(2), 245 - 250 (2018) [10.1039/C7CE01946G]  GO
ddc:540
Mixed-valence manganese oxides with a perovskite structure are promising candidates for next-generation electronic devices, among others, because of the combination of ferromagnetism with other technologically important properties. Herein we report the block copolymer-templating synthesis, structural characterization and magnetic properties of thermally stable thin films of cubic mesoporous praseodymium calcium manganite (PCMO), Pr1−xCaxMnO3 with x ≈ 0.3. [...]

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2018-01-12
15:44
[PUBDB-2018-00633] Journal Article
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Radial Growth of Self-Catalyzed GaAs Nanowires and the Evolution of the Liquid Ga-Droplet Studied by Time-Resolved in Situ X-ray Diffraction
ddc:540
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2018-01-12
13:48
[PUBDB-2018-00622] Journal Article
; ; ; et al
Spin-orbit delays in photoemission
ddc:530
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2018-01-12
12:43
[PUBDB-2018-00611] Conference Presentation
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A CEP-stable, femtosecond 8.5 μm source based on intrapulse DFG of 2.1 μm pulses
Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference , CLEO/Europe-EQEC, Meeting locationMünchen, Germany, 25 Jun 2017 - 29 Jun 20172017-06-252017-06-29  GO
Few-cycle carrier-envelope phase (CEP) stable laser pulses enable the precise control of strong-field electron dynamics, such as high-harmonic generation in gases and solids or electron emission in nano-structures [1]. The intrapulse difference-frequency generation (DFG) pumped by a broadband pulse is a reliable method of producing passively CEP-stable pulses. [...]
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2018-01-12
11:04
[PUBDB-2018-00603] Journal Article
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Characterization of A III B V superlattices by means of synchrotron diffraction topography and high-resolution X-ray diffraction
ddc:540
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