L
L. Liu
Researcher at University of Trento
Publications - 35
Citations - 1440
L. Liu is an academic researcher from University of Trento. The author has contributed to research in topics: Pathfinder & Gravitational wave. The author has an hindex of 12, co-authored 34 publications receiving 951 citations. Previous affiliations of L. Liu include Huazhong University of Science and Technology.
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Journal ArticleDOI
Sub-Femto-g Free Fall for Space-Based Gravitational Wave Observatories: LISA Pathfinder Results
Michele Armano,Heather Audley,G. Auger,J. Baird,Massimo Bassan,Pierre Binétruy,M. Born,Daniele Bortoluzzi,N. Brandt,M. Caleno,L. Carbone,Antonella Cavalleri,A. Cesarini,Giacomo Ciani,G. Congedo,A. M. Cruise,Karsten Danzmann,M. de Deus Silva,R. De Rosa,M. Diaz-Aguilo,L. Di Fiore,Ingo Diepholz,G. Dixon,Rita Dolesi,N. Dunbar,Luigi Ferraioli,Valerio Ferroni,Walter Fichter,E. D. Fitzsimons,R. Flatscher,M. Freschi,A. F. García Marín,C. García Marirrodriga,R. Gerndt,Lluis Gesa,Ferran Gibert,Domenico Giardini,R. Giusteri,F. Guzmán,Aniello Grado,Catia Grimani,A. Grynagier,J. Grzymisch,I. Harrison,Gerhard Heinzel,M. Hewitson,Daniel Hollington,D. Hoyland,Mauro Hueller,Henri Inchauspe,Oliver Jennrich,Ph. Jetzer,Ulrich Johann,B. Johlander,Nikolaos Karnesis,B. Kaune,N. Korsakova,Christian J. Killow,J. A. Lobo,Ivan Lloro,L. Liu,J. P. López-Zaragoza,R. Maarschalkerweerd,Davor Mance,V. Martín,L. Martin-Polo,J. Martino,F. Martin-Porqueras,S. Madden,Ignacio Mateos,Paul McNamara,José F. F. Mendes,L. Mendes,A. Monsky,Daniele Nicolodi,Miquel Nofrarías,S. Paczkowski,Michael Perreur-Lloyd,Antoine Petiteau,P. Pivato,Eric Plagnol,P. Prat,U. Ragnit,B. Rais,Juan Ramos-Castro,J. Reiche,D. I. Robertson,H. Rozemeijer,F. Rivas,G. Russano,J Sanjuán,P. Sarra,A. Schleicher,D. Shaul,Jacob Slutsky,Carlos F. Sopuerta,Ruggero Stanga,F. Steier,T. J. Sumner,D. Texier,James Ira Thorpe,C. Trenkel,Michael Tröbs,H. B. Tu,Daniele Vetrugno,Stefano Vitale,V Wand,Gudrun Wanner,H. Ward,C. Warren,Peter Wass,D. Wealthy,W. J. Weber,L. Wissel,A. Wittchen,A. Zambotti,C. Zanoni,Tobias Ziegler,Peter Zweifel +118 more
TL;DR: The first results of the LISA Pathfinder in-flight experiment demonstrate that two free-falling reference test masses, such as those needed for a space-based gravitational wave observatory like LISA, can be put in free fall with a relative acceleration noise with a square root of the power spectral density.
Journal ArticleDOI
Beyond the Required LISA Free-Fall Performance: New LISA Pathfinder Results down to 20 μHz.
Michele Armano,Heather Audley,J. Baird,Pierre Binétruy,M. Born,Daniele Bortoluzzi,E. Castelli,Antonella Cavalleri,A. Cesarini,A. M. Cruise,Karsten Danzmann,M. de Deus Silva,Ingo Diepholz,G. Dixon,Rita Dolesi,Luigi Ferraioli,Valerio Ferroni,E. D. Fitzsimons,M. Freschi,Lluis Gesa,Ferran Gibert,Domenico Giardini,R. Giusteri,Catia Grimani,J. Grzymisch,I. Harrison,Gerhard Heinzel,M. Hewitson,Daniel Hollington,D. Hoyland,Mauro Hueller,Henri Inchauspe,Oliver Jennrich,Ph. Jetzer,Nikolaos Karnesis,B. Kaune,N. Korsakova,Christian J. Killow,J. A. Lobo,Ivan Lloro,L. Liu,J. P. López-Zaragoza,R. Maarschalkerweerd,Davor Mance,N. Meshksar,V. Martín,L. Martin-Polo,J. Martino,F. Martin-Porqueras,Ignacio Mateos,Paul McNamara,José F. F. Mendes,L. Mendes,Miquel Nofrarías,S. Paczkowski,Michael Perreur-Lloyd,Antoine Petiteau,P. Pivato,Eric Plagnol,Juan Ramos-Castro,J. Reiche,D. I. Robertson,F. Rivas,G. Russano,Jacob Slutsky,Carlos F. Sopuerta,T. J. Sumner,D. Texier,James Ira Thorpe,Daniele Vetrugno,Salvatore Vitale,Gudrun Wanner,H. Ward,Peter Wass,Peter Wass,W. J. Weber,L. Wissel,A. Wittchen,Peter Zweifel +78 more
TL;DR: This performance provides an experimental benchmark demonstrating the ability to realize the low-frequency science potential of the LISA mission, recently selected by the European Space Agency.
Journal ArticleDOI
Charge-induced force-noise on free-falling test masses: results from LISA Pathfinder
Michele Armano,Heather Audley,G. Auger,J. Baird,Pierre Binétruy,M. Born,Daniele Bortoluzzi,N. Brandt,A. Bursi,M. Caleno,Antonella Cavalleri,A. Cesarini,M. Cruise,Karsten Danzmann,M. de Deus Silva,Ingo Diepholz,Rita Dolesi,N. Dunbar,Luigi Ferraioli,Valerio Ferroni,E. D. Fitzsimons,R. Flatscher,M. Freschi,J. Gallegos,C. García Marirrodriga,R. Gerndt,Lluis Gesa,Ferran Gibert,Domenico Giardini,R. Giusteri,Catia Grimani,J. Grzymisch,I. Harrison,Gerhard Heinzel,M. Hewitson,Daniel Hollington,Mauro Hueller,J. Huesler,Henri Inchauspe,Oliver Jennrich,Ph. Jetzer,B. Johlander,Nikolaos Karnesis,B. Kaune,Christian J. Killow,N. Korsakova,Ivan Lloro,L. Liu,J. P. López-Zaragoza,R. Maarschalkerweerd,S. Madden,Davor Mance,V. Martín,L. Martin-Polo,J. Martino,F. Martin-Porqueras,Ignacio Mateos,Paul McNamara,José F. F. Mendes,L. Mendes,A. Moroni,Miquel Nofrarías,S. Paczkowski,Michael Perreur-Lloyd,Antoine Petiteau,P. Pivato,Eric Plagnol,P. Prat,U. Ragnit,Juan Ramos-Castro,J. Reiche,J. A. Romera Perez,D. I. Robertson,H. Rozemeijer,F. Rivas,G. Russano,P. Sarra,A. Schleicher,Jacob Slutsky,Carlos F. Sopuerta,T. J. Sumner,D. Texier,James Ira Thorpe,C. Trenkel,Daniele Vetrugno,S. Vitale,Gudrun Wanner,H. Ward,Peter Wass,D. Wealthy,W. J. Weber,A. Wittchen,C. Zanoni,Tobias Ziegler,Peter Zweifel +94 more
TL;DR: Electrostatic measurements made on board the European Space Agency mission LISA Pathfinder are the first made in a relevant environment for a space-based gravitational wave detector and resolve the stochastic nature of the TM charge buildup due to interplanetary cosmic rays and theTM charge-to-force coupling through stray electric fields in the sensor.
Journal ArticleDOI
Experimental results from the ST7 mission on LISA Pathfinder
Greg M. Anderson,John R. Anderson,M. S. Anderson,G. Aveni,D. Bame,Phil Barela,K. Blackman,A. Carmain,L. Chen,M. Cherng,S. Clark,M. Connally,William E. Connolly,D. Conroy,M. Cooper,Curt Cutler,J. D’Agostino,Nate Demmons,E. Dorantes,Charley Dunn,M. Duran,Eric Ehrbar,John J. Evans,J. Fernandez,Garth Franklin,M. Girard,J. Gorelik,Vlad Hruby,O. Hsu,Douglas J. Jackson,Shahram Javidnia,D. Kern,M. Knopp,R. Kolasinski,C. Kuo,T. Le,I. Li,O. Liepack,A. Littlefield,Peiman Maghami,S. Malik,L. Markley,Ryan Martin,Colleen Marrese-Reading,J. Mehta,J. Mennela,D. Miller,D. Nguyen,J. O’Donnell,R. Parikh,G. Plett,T. Ramsey,Thomas Randolph,S. Rhodes,Andrew Romero-Wolf,Thomas Roy,A. Ruiz,H. Shaw,Jacob Slutsky,Douglas Spence,J. Stocky,J. Tallon,Ira Thorpe,W. Tolman,H. Umfress,R. Valencia,C. Valerio,W. Warner,J. Wellman,Peter Willis,John Ziemer,Jurg Zwahlen,Michele Armano,Heather Audley,J. Baird,Pierre Binétruy,M. Born,D. Bortoluzzi,E. Castelli,Antonella Cavalleri,A. Cesarini,A. M. Cruise,Karsten Danzmann,M. de Deus Silva,Ingo Diepholz,G. Dixon,Rita Dolesi,Luigi Ferraioli,Valerio Ferroni,E. D. Fitzsimons,M. Freschi,Lluis Gesa,Ferran Gibert,Domenico Giardini,R. Giusteri,Catia Grimani,J. Grzymisch,Ian Harrison,Gerhard Heinzel,M. Hewitson,Daniel Hollington,D. Hoyland,M. Hueller,Henri Inchauspe,Oliver Jennrich,Ph. Jetzer,Nikolaos Karnesis,B. Kaune,N. Korsakova,Christian J. Killow,J. A. Lobo,Ivan Lloro,L. Liu,J. P. López-Zaragoza,R. Maarschalkerweerd,Davor Mance,N. Meshksar,Víctor S. Martín,L. Martin-Polo,J. Martino,F. Martin-Porqueras,Ignacio Mateos,Paul McNamara,José F. F. Mendes,L. Mendes,Miquel Nofrarías,S. Paczkowski,Michael Perreur-Lloyd,Antoine Petiteau,P. Pivato,Eric Plagnol,Juan Ramos-Castro,J. Reiche,D. I. Robertson,F. Rivas,G. Russano,Carlos F. Sopuerta,T. J. Sumner,D. Texier,Daniele Vetrugno,S. Vitale,Gudrun Wanner,H. Ward,Peter Wass,W. J. Weber,L. Wissel,A. Wittchen,Peter Zweifel +147 more
TL;DR: The Space Technology 7 Disturbance Reduction System (ST7-DRS) is a NASA technology demonstration payload that operated from January 2016 through July 2017 on the European Space Agency's (ESA) LISA Pathfinder spacecraft as mentioned in this paper.
Journal ArticleDOI
Capacitive sensing of test mass motion with nanometer precision over millimeter-wide sensing gaps for space-borne gravitational reference sensors
Michele Armano,Heather Audley,Gerard Auger,J. Baird,M. Bassan,Pierre Binétruy,M. Born,D. Bortoluzzi,N. Brandt,M. Caleno,Antonella Cavalleri,A. Cesarini,A. M. Cruise,Karsten Danzmann,M. de Deus Silva,R. De Rosa,L. Di Fiore,Ingo Diepholz,G. Dixon,Rita Dolesi,N. Dunbar,Luigi Ferraioli,Valerio Ferroni,E. D. Fitzsimons,R. Flatscher,M. Freschi,C. García Marirrodriga,R. Gerndt,Lluis Gesa,Ferran Gibert,Domenico Giardini,R. Giusteri,Aniello Grado,Catia Grimani,J. Grzymisch,Ian Harrison,Gerhard Heinzel,M. Hewitson,Daniel Hollington,D. Hoyland,M. Hueller,Henri Inchauspe,Oliver Jennrich,Ph. Jetzer,B. Johlander,Nikolaos Karnesis,B. Kaune,N. Korsakova,Christian J. Killow,J. A. Lobo,Ivan Lloro,L. Liu,J. P. López-Zaragoza,R. Maarschalkerweerd,Davor Mance,Víctor S. Martín,L. Martin-Polo,J. Martino,F. Martin-Porqueras,S. Madden,Ignacio Mateos,Paul McNamara,José F. F. Mendes,L. Mendes,N. Meshksar,Miquel Nofrarías,S. Paczkowski,Michael Perreur-Lloyd,Antoine Petiteau,P. Pivato,Eric Plagnol,P. Prat,U. Ragnit,Juan Ramos-Castro,J. Reiche,D. I. Robertson,H. Rozemeijer,F. Rivas,G. Russano,P. Sarra,Alexander Schleicher,Jacob Slutsky,Carlos F. Sopuerta,Ruggero Stanga,T. J. Sumner,D. Texier,James Ira Thorpe,C. Trenkel,Michael Tröbs,Daniele Vetrugno,S. Vitale,Gudrun Wanner,H. Ward,Peter Wass,D. Wealthy,W. J. Weber,L. Wissel,A. Wittchen,A. Zambotti,C. Zanoni,Tobias Ziegler,Peter Zweifel +101 more
TL;DR: In this article, the performance of the capacitive gap-sensing system of the Gravitational Reference Sensor on board the LISA Pathfinder spacecraft was reported, with a performance of up to 1mHz.