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Items: 1 to 50 of 86

1.

Observation of Stimulated Hawking Radiation in an Optical Analogue.

Drori J, Rosenberg Y, Bermudez D, Silberberg Y, Leonhardt U.

Phys Rev Lett. 2019 Jan 11;122(1):010404. doi: 10.1103/PhysRevLett.122.010404.

PMID:
31012667
2.

Electronic zero-point fluctuation forces inside circuit components.

Shahmoon E, Leonhardt U.

Sci Adv. 2018 Apr 27;4(4):eaaq0842. doi: 10.1126/sciadv.aaq0842. eCollection 2018 Apr.

3.

On cosmology in the laboratory.

Leonhardt U.

Philos Trans A Math Phys Eng Sci. 2015 Aug 28;373(2049). pii: 20140354. doi: 10.1098/rsta.2014.0354. Review.

4.

Follow your star.

Leonhardt U, Pain E.

Science. 2015 Feb 27;347(6225):1038. doi: 10.1126/science.347.6225.1038. Epub 2015 Feb 26. No abstract available.

PMID:
25722417
5.

Integral method for the calculation of Hawking radiation in dispersive media. I. Symmetric asymptotics.

Robertson S, Leonhardt U.

Phys Rev E Stat Nonlin Soft Matter Phys. 2014 Nov;90(5-1):053302. Epub 2014 Nov 3.

PMID:
25493899
6.

Applied physics: cloaking of heat.

Leonhardt U.

Nature. 2013 Jun 27;498(7455):440-1. doi: 10.1038/498440a. No abstract available. Erratum in: Nature. 2013 Jul 25;499(7459):418.

PMID:
23803838
7.

Soliton-induced relativistic-scattering and amplification.

Rubino E, Lotti A, Belgiorno F, Cacciatori SL, Couairon A, Leonhardt U, Faccio D.

Sci Rep. 2012;2:932. doi: 10.1038/srep00932. Epub 2012 Dec 6.

8.

Negative-frequency resonant radiation.

Rubino E, McLenaghan J, Kehr SC, Belgiorno F, Townsend D, Rohr S, Kuklewicz CE, Leonhardt U, König F, Faccio D.

Phys Rev Lett. 2012 Jun 22;108(25):253901. Epub 2012 Jun 18.

PMID:
23004601
9.

Cloaked electromagnetic, acoustic, and quantum amplifiers via transformation optics.

Greenleaf A, Kurylev Y, Lassas M, Leonhardt U, Uhlmann G.

Proc Natl Acad Sci U S A. 2012 Jun 26;109(26):10169-74. doi: 10.1073/pnas.1116864109. Epub 2012 Jun 14.

10.

Engineering antenna radiation patterns via quasi-conformal mappings.

García-Meca C, Martínez A, Leonhardt U.

Opt Express. 2011 Nov 21;19(24):23743-50. doi: 10.1364/OE.19.023743.

PMID:
22109400
11.

Luneburg lens in silicon photonics.

Di Falco A, Kehr SC, Leonhardt U.

Opt Express. 2011 Mar 14;19(6):5156-62. doi: 10.1364/OE.19.005156.

PMID:
21445151
12.

To invisibility and beyond.

Leonhardt U.

Nature. 2011 Mar 17;471(7338):292-3. doi: 10.1038/471292a. No abstract available.

PMID:
21412311
13.

Evolution of light trapped by a soliton in a microstructured fiber.

Hill S, Kuklewicz CE, Leonhardt U, König F.

Opt Express. 2009 Aug 3;17(16):13588-600.

PMID:
19654766
14.

An omnidirectional retroreflector based on the transmutation of dielectric singularities.

Ma YG, Ong CK, Tyc T, Leonhardt U.

Nat Mater. 2009 Aug;8(8):639-42. doi: 10.1038/nmat2489. Epub 2009 Jun 28.

PMID:
19561598
15.

Metamaterials: Towards invisibility in the visible.

Leonhardt U.

Nat Mater. 2009 Jul;8(7):537-8. doi: 10.1038/nmat2472. No abstract available.

PMID:
19543308
16.

Broadband invisibility by non-Euclidean cloaking.

Leonhardt U, Tyc T.

Science. 2009 Jan 2;323(5910):110-2. doi: 10.1126/science.1166332. Epub 2008 Nov 20.

17.

Measuring the effect of a study meal on portal concentrations of glucagon-like peptide 1 (GLP-1) in non diabetic and diabetic patients with liver cirrhosis: transjugular intrahepatic portosystemic stent shunt (TIPSS) as a new method for metabolic measurements.

Raddatz D, Nolte W, Rossbach C, Leonhardt U, Buchwald A, Scholz KH, Ramadori G.

Exp Clin Endocrinol Diabetes. 2008 Aug;116(8):461-7. doi: 10.1055/s-2007-1004596. Epub 2008 Sep 3.

PMID:
18770489
18.

The case for artificial black holes.

Leonhardt U, Philbin TG.

Philos Trans A Math Phys Eng Sci. 2008 Aug 28;366(1877):2851-7. doi: 10.1098/rsta.2008.0072.

PMID:
18534943
19.

Fiber-optical analog of the event horizon.

Philbin TG, Kuklewicz C, Robertson S, Hill S, König F, Leonhardt U.

Science. 2008 Mar 7;319(5868):1367-70. doi: 10.1126/science.1153625.

20.

Optics: momentum in an uncertain light.

Leonhardt U.

Nature. 2006 Dec 14;444(7121):823-4. No abstract available.

PMID:
17167461
21.

Ambiguities in the scattering tomography for central potentials.

Hendi A, Henn J, Leonhardt U.

Phys Rev Lett. 2006 Aug 18;97(7):073902. Epub 2006 Aug 14.

PMID:
17026228
22.

Optical conformal mapping.

Leonhardt U.

Science. 2006 Jun 23;312(5781):1777-80. Epub 2006 May 25.

23.

TIPS implantation raises leptin levels in patients with liver cirrhosis.

Nolte W, Wirtz M, Rossbach C, Leonhardt U, Buchwald AB, Scholz KH, Ramadori G.

Exp Clin Endocrinol Diabetes. 2003 Oct;111(7):435-42.

PMID:
14614651
24.
25.

Ultrasound-guided laser interstitial thermo therapy for treatment of non-resectable primary and secondary liver tumours--a feasibility study.

Wietzke-Braun P, Ritzel U, Nolte W, Leonhardt U, Armbrust T, Koc M, Funke M, Grabbe E, Ramadori G.

Ultraschall Med. 2003 Apr;24(2):107-12.

PMID:
12698376
26.

Simvastatin in primary biliary cirrhosis: effects on serum lipids and distinct disease markers.

Ritzel U, Leonhardt U, Näther M, Schäfer G, Armstrong VW, Ramadori G.

J Hepatol. 2002 Apr;36(4):454-8.

PMID:
11943414
27.

Acupuncture treatment of chronic low-back pain -- a randomized, blinded, placebo-controlled trial with 9-month follow-up.

Leibing E, Leonhardt U, Köster G, Goerlitz A, Rosenfeldt JA, Hilgers R, Ramadori G.

Pain. 2002 Mar;96(1-2):189-96.

PMID:
11932074
28.

A laboratory analogue of the event horizon using slow light in an atomic medium.

Leonhardt U.

Nature. 2002 Jan 24;415(6870):406-9.

PMID:
11807548
29.

Ultrasound imaging of Nd:YAG laser-induced tissue coagulation in porcine livers.

Ritzel U, Wietzke-Braun P, Brinck U, Leonhardt U, Ramadori G.

Ultraschall Med. 2001 Dec;22(6):284-8.

PMID:
11740697
30.

Leonhardt and piwnicki reply:

Leonhardt U, Piwnicki P.

Phys Rev Lett. 2000 Dec 11;85(24):5253. No abstract available.

PMID:
11102235
31.

Relativistic effects of light in moving media with extremely low group velocity

Leonhardt U, Piwnicki P.

Phys Rev Lett. 2000 Jan 31;84(5):822-5.

PMID:
11017382
32.

Serum procalcitonin and proinflammatory cytokines in a patient with acute severe leptospirosis.

Petros S, Leonhardt U, Engelmann L.

Scand J Infect Dis. 2000;32(1):104-5.

PMID:
10716092
33.

Immunoreactive leptin and leptin mRNA expression are increased in rat hypo- but not hyperthyroidism.

Leonhardt U, Gerdes E, Ritzel U, Schäfer G, Becker W, Ramadori G.

J Endocrinol. 1999 Oct;163(1):115-21.

PMID:
10495413
34.

Circulating human hepatic lipase mRNA in patients with hepatocellular carcinoma and healthy controls.

Leonhardt U, Ritzel U, Ottleben M, Ramadori G.

Eur J Surg. 1999 Jun;165(6):539-42.

PMID:
10433136
35.

[Percutaneous endoscopic gastrostomy in ventriculoperitoneal shunt].

Ritzel U, Leonhardt U.

Internist (Berl). 1998 Nov;39(11):1185. German. No abstract available.

PMID:
9859053
36.

A synthetic glucagon-like peptide-1 analog with improved plasma stability.

Ritzel U, Leonhardt U, Ottleben M, Rühmann A, Eckart K, Spiess J, Ramadori G.

J Endocrinol. 1998 Oct;159(1):93-102.

PMID:
9795346
37.

[Doppler sonographic short- and long-term studies of portal hemodynamics following transjugular intrahepatic portasystemic shunt (TIPSS)].

Nolte W, Münke H, Schindler CG, Figulla HR, Werner G, Leonhardt U, Hartmann H, Ramadori G.

Z Gastroenterol. 1998 Jun;36(6):491-9. Review. German.

PMID:
9675834
38.

Serum leptin levels in hypo- and hyperthyroidism.

Leonhardt U, Ritzel U, Schäfer G, Becker W, Ramadori G.

J Endocrinol. 1998 Apr;157(1):75-9.

PMID:
9614360
39.

Hyperphagia in children with craniopharyngioma is associated with hyperleptinaemia and a failure in the downregulation of appetite.

Roth C, Wilken B, Hanefeld F, Schröter W, Leonhardt U.

Eur J Endocrinol. 1998 Jan;138(1):89-91.

PMID:
9461323
40.

Primary biliary cirrhosis.

Leonhardt U, Näther M, Ramadori G.

N Engl J Med. 1997 May 8;336(19):1387; author reply 1388. No abstract available.

PMID:
9139222
41.

Release of glucagon-like peptide-1 (GLP-1) by carbohydrates in the perfused rat ileum.

Ritzel U, Fromme A, Ottleben M, Leonhardt U, Ramadori G.

Acta Diabetol. 1997 Mar;34(1):18-21.

PMID:
9134052
42.

Detection of circulating albumin-mRNA by RT-PCR does not indicate metastasizing hepatocellular carcinoma.

Leonhardt U, Ritzel U, Ottleben M, Vignoli A, Ramadori G.

Langenbecks Arch Chir. 1997;382(2):83-6.

PMID:
9128873
43.

Number of phases required to determine a quantum state in optical homodyne tomography.

Leonhardt U, Munroe M.

Phys Rev A. 1996 Oct;54(4):3682-3684. No abstract available.

PMID:
9913901
44.

Two-mode quantum-optical state measurement: Sampling the joint density matrix.

Raymer MG, McAlister DF, Leonhardt U.

Phys Rev A. 1996 Sep;54(3):2397-2401. No abstract available.

PMID:
9913731
45.

[2 new proton pump inhibitors. Possibilities of pantoprazole and lansoprazole].

Leonhardt U, Ritzel U, Ramadori G.

Internist (Berl). 1996 Sep;37(9):944-9; discussion 949. German. No abstract available.

PMID:
8964694
46.

Discrete Wigner function and quantum-state tomography.

Leonhardt U.

Phys Rev A. 1996 May;53(5):2998-3013. No abstract available.

PMID:
9913237
47.

[Individual therapeutic procedure in metastatic carcinoid of the small intestine].

Barthel A, Leonhardt U, Stöckmann F, Ramadori G.

Leber Magen Darm. 1996 May;26(3):164, 167-9. German.

PMID:
8709831
48.

Unpolarized light: Classical and quantum states.

Lehner J, Leonhardt U, Paul H.

Phys Rev A. 1996 Apr;53(4):2727-2735. No abstract available.

PMID:
9913186
49.

Observation of moving wave packets reveals their quantum state.

Leonhardt U, Raymer MG.

Phys Rev Lett. 1996 Mar 18;76(12):1985-1989. No abstract available.

PMID:
10060578
50.

Tomographic reconstruction of the density matrix via pattern functions.

Leonhardt U, Paul H, D'Ariano GM.

Phys Rev A. 1995 Dec;52(6):4899-4907. No abstract available.

PMID:
9912832

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