Yuji HASEGAWA


 

e-mail: hasegawa@ati.ac.at 

 


 

Address:    Atominstitut der Österreichischen Universitäten 

                   Stadionallee 2

                   A-1020 Wien

                   Austria

 

                   Tel:  +43 - 1 - 58801 14190

                   Fax: +43 - 1 - 58801 14199


 

Academic education:

PhD at The University of Tokyo in 1994
Title: Phase Optics in Neutron and X-Ray interferometry

Masters degree at The University of Tokyo in 1990


 

Scientific interests:

Experimental neutron/x-ray optics, neutron/x-ray interferometry, perfect crystal optics,  instrumentation of experiments

 


 

Current research:

                Quantum contextuality, Geometric phase, neutron/x-ray optics

 


 

Pulications:

 

Apparent Destruction of Interference by Use of a Partial Absorber

Yuji HASEGAWA, and Seishi, Jpn. J. Appl. Phys. 30 (1991) L316-318.

 

Observation of Magnetic and Nuclear Phase Shifts of Neutrons by Interferometry

Shinichiro NAKATANI, Yuji HASEGAWA, Hiroshi TOMIMITSU, Toshio TAKAHASHI,

and Seishi KIKUTA, Jpn. J. Appl. Phys. 30 (1991) L867-870.

 

Nuclear Bragg Scattering of 57Fe2O3 Crystal with Synchrotron Radiation at TRISTAN-AR

S.KIKUTA, Y.YODA, Y.HASEGAWA, K.IZUMI, T.ISHIKAWA, X.W.ZHANG, S.KISHIMOTO, H.SUGIYAMA, T.MATSUSHITA, M.ANDO, C.K.SUZUKI, M.SETO, H.OHNO, and T.TAKEI, Hyperfine Interactions 71 (1992) 1491-1494.

 

Mixture of Two Interfering Beams in an X-ray Interferometry

Yuji HASEGAWA, and Seishi, Z. Phys B93 (1994) 133-139.

 

Time-Delayed Interferometry with Nuclear Resonant Scattering of Synchrotron Radiation

Yuji HASEGAWA, Yoshitaka YODA, Koichi IZUMI, Tetsuya ISHIKAWA, Seishi KIKUTA, Xiaowei ZHANG, Hiroshi SUGIYAMA, and Masami ANDO

Jpn. J. Appl. Phys. 33 (1994) L772-775.

 

Time-Delayed Interferometry with Nuclear Resonant Scattering

Yuji HASEGAWA, and Seishi KIKUTA
In Waves and Particles in Light and Matter, Eds. A. Garuccio, and A. van der Merwe
(Plenum Publishing Co. Ltd, London, UK, 1994).

 

Contrast Enhancement by Time-Selection in Neutron Interferometry

M. ZAWISKY, H. RAUCH, and Y. HASEGAWA, Phys. Rev. A50 (1994) 5000-5006.

 

Strong Gas-Absorber in X-Ray Interferometry with Synchrotron Radiation

Yuji HASEGAWA, and Seishi KIKUTA, Phys. Lett. A195 (1994) 43-47.

 

Dispersion at Nuclear Resonance in Time-Delayed Interferometry

Y. HASEGAWA, Y. YODA, K. IZUMI, T. ISHIKAWA, S. KIKUTA, X. W. ZHANG,

and M. ANDO, Phys. Rev. B50 (1994) 17748-17751.

 

Phase Transfer in Time-Delayed Interferometry with Nuclear Resonant Scattering

Y. HASEGAWA, Y. YODA, K. IZUMI, T. ISHIKAWA, S. KIKUTA,  X. W. ZHANG,

and M. ANDO, Phys. Rev. Lett. 75 (1995) 2216-2219.

 

Preparation and Test Use of a Large-Scale Neutron Interferometer

Hiroshi TOMIMITSU, Yuji HASEGAWA, Kazuya AIZAWA, and Seishi KIKUTA
Physica B213&214 (1995) 836-838.

 

Geometric Phase in Coupled Neutron Interference Loops

Y. HASEGAWA, M. ZAWISKY, H. RAUCH, and A. I. IOFFE
Phys. Rev. A53 (1996) 2486-2492.

 

Quantum Phase in Interferometers

Z. HRADIL, R. MYSKA, J. PERINA, M. ZAWISKY, Y. HASEGAWA, and H. RAUCH
Phys. Rev. Lett. 76 (1996) 4295-4298.

 

Geometric Phase in a Split-Beam Experiment Measured with Coupled Neutron Interference Loops

Y. HASEGAWA, M. ZAWISKY, H. RAUCH, and A. I. IOFFE
J. Phys. Soc. Jpn Vol. 65 Sppl. A (1996) 90-93.

 

Noncommutation of Pauli Spin Matrices in Neutron Polarimetry

Y. HASEGAWA, S. MENHART, R. MEIXNER, and G. BADUREK
Phys. Lett. A234  (1997) 322-328.

 

Time-delayed interferometry with nuclear resonance at 57Fe

Yuji HASEGAWA, and Seishi KIKUTA
Proc. SPIE Vol. 3151B (1997) 248-259.

 

Phase Estimation in Interferometry

M. ZAWISKY, Y. HASEGAWA, H. RAUCH, Z. HRADIL, R. MYSKA  and J. PERINA(a)
J. Phys. A31 (1998) 551-564.

 

Transmission-Type X-Ray Linear Polarizer with Perfect Crystals

Y. HASEGAWA, Y. UEJI, K. OKITSU, J. M. ABLETT, D. P. SIDDONS, and Y. AMEMIYA,
J. Synchrotron Rad. 5 (1998) 738-740.

 

X-Ray Triple Refraction and Triple Absorption in a Cobalt-Complex Crystal

Kouhei OKITSU, Yoshinori UEJI, Takeyo OGUCHI, Yuji HASEGAWA, Yuji OHASHI, and Yoshiyuki AMEMIYA, J. Synchrotron Rad. 5 (1998) 1055-1057.

 

Determination of the scattering lengths of the gadllium-isotopes by neutron interferometry with the PNO-apparatus in JRR-3M

Hiroshi TOMIMITSU, Yuji HASEGAWA, Kazuya AIZAWA, and Seishi KIKUTA
Nucl. Instr. Meth. A420 (1998) 453-466.

 

Noncommutation of Spin Rotation due to Balanced Geometrical and Dynamical Phase

Y. HASEGAWA, and G. BADUREK, Phys. Rev. A59 (1999) 4614-4622.

 

 

Tunable X-Ray Polarization Reflector with Perfect Crystals

Y. HASEGAWA, Y. UEJI, K. OKITSU, J. M. ABLETT, D. P. SIDDONS, and Y. AMEMIYA,

   Acta Crystallogr. A55 (1999) 955-962.

 

Time-Delayed Interferometry with Nuclear Resonant Scattering

Yuji HASEGAWA, and Seishi KIKUTA

In Nuclear Resonant Scattering of Synchrotron Radiation, Eds. U. Gerdau and H. de Waard,

(Balzer, Oxford, UK, 1999).

 

Neutron Interferometric Measurement of the Scattering Lengths of W, 63Cu, 65Cu, Cu, 202Hg and Hg

Hiroshi TOMIMITSU, Yuji HASEGAWA, and Kazuya AIZAWA

Phys. Lett A274 (2000) 175-183.

 

Development of high resolution x-ray imaging system with a CCD detector coupled with an x-ray magnifier

K. SATO, Y.HASEGAWA, K. KONDO, K. MIYAZAKI, T. MATSUSHITA, and Y. AMEMIYA

Rev. of Sci. Instr. Meth. 71 (2000) 4449-4456. 

 

X-ray polarization-contrast imaging (in Japanese)

K. SATO, Y.UEJI, K. OKITSU, Y.HASEGAWA, T. MATSUSHITA, and Y. AMEMIYA

Jap. Soc. for Synchrotron Rad. Res. Vol.13, No.04 (2001) 22-30. 

 

Quantum Mechanics by Neutrons" (in Japanese)

Yuji HASEGAWA, Parity in Japan, Vol.16, No.07 (2001) 2001-2007.

 

Off-diagonal geometric phase in a neutron interferometer experiment

Y. HASEGAWA, R. LOIDL, M. BARON, G. BADUREK, and H. RAUCH

Phys. Rev. Lett. 87 (2001) 070401 1-4.

 

Determination of Coherent Neutron Scattering Length with LLL-type Interferometry at PNO in JRR-3M

Hiroshi TOMIMITSU, Yuji HASEGAWA, and Kazuya AIZAWA

J. Phys. Soc. Jpn. 70 (2001) Suppl. A 462-464.

 

Observation of off-diagonal geometric phase in polarized neutron interferometer experiments

Y. HASEGAWA, R. LOIDL, G. BADUREK, M. BARON, N. MANINI, F. PISTOLESI,

and H. RAUCH

quant-ph/0201054, Phys. Rev. A65 (2002) 052111 1-10.

 

Geometric Phase in Neutron Interferometer Experiments

    Y. HASEGAWA, Proc. SPIE Vol. 4888 (2002) 41-51.

 

Off-diagonal geometric phase in polarized neutron interferometer experiments

Y. HASEGAWA, G. BADUREK, H. RAUCH, R. LOIDL and M. BARON

Czech. J. Phys. 52 (2002) Suppl. C, C701-C705.

 

Beam enhancement with a HOPG pre-crystal in the precise neutron optics

Hiroshi TOMIMITSU, Yuji HASEGAWA, and Kazuya AIZAWA

Phys. Lett. A309 (2003) 183-188.

 

Violation of a Bell-like inequality in a single-neutron interferometry

Yuji HASEGAWA, Rudolf LOIDL, Gerald BADUREK, Matthias BARON, and Helmut RAUCH

Nature 425 (2003) 45-48.

 


 

Private address:

 Heiligenstädterstraße 81-87/3/24       
 1190 - Wien               
 Austria                    
 
 Tel : +43 1 9423859
 


 

Last changes: 09.09.2003 by Y. Hasegawa
References and suggestions to hasegawa@ati.ac.at