7 research outputs found
Nonintegrable Interaction of Ion-Acoustic and Electromagnetic Waves in a Plasma
- Author
- Publication venue
- 'American Physical Society (APS)'
- Publication date
- 01/01/1996
- Field of study
In this paper we re-examine the one-dimensional interaction of
electromagnetic and ion acoustic waves in a plasma. Our model is similar to one
solved by Rao et al. (Phys. Fluids, vol. 26, 2488 (1983)) under a number of
analytical approximations. Here we perform a numerical investigation to examine
the stability of the model. We find that for slightly over dense plasmas, the
propagation of stable solitary modes can occur in an adiabatic regime where the
ion acoustic electric field potential is enslaved to the electromagnetic field
of a laser. But if the laser intensity or plasma density increases or the laser
frequency decreases, the adiabatic regime loses stability via a transition to
chaos. New asymptotic states are attained when the adiabatic regime no longer
exists. In these new states, the plasma becomes rarefied, and the laser field
tends to behave like a vacuum field.Comment: 19 pages, REVTeX, 6 ps figures, accepted for publication in Phys.
Rev.
Disruption of the vasopressin 1b receptor gene impairs the attack component of aggressive behavior in mice
- Author
- Publication venue
- 'Wiley'
- Publication date
- Field of study
The vasopressin 1b receptor is prominent in the hippocampal area CA2 where it is unaffected by restraint stress or adrenalectomy
- Author
- Albers
- Alescio-Lautier
- Anderson
- Antoni
- Bamshad
- Bartesaghi
- Bester-Meredith
- Bielsky
- Blanchard
- Bluthe
- Bohus
- Borhegyi
- Bradley
- Caffe
- Dantzer
- De Vries
- de Wied
- de Wied
- Dluzen
- Egashira
- El Bahh
- Engelmann
- Engelmann
- Ferris
- Ferris
- Fried
- Godwin
- Goodson
- Grazzini
- Griebel
- Grober
- Hallbeck
- Herkenham
- Hernando
- Hurbin
- Hurbin
- Ishizuka
- J. Li
- Kennedy
- Kirino
- Landgraf
- Lein
- Lein
- Lolait
- Lorente de NĂł
- M. Palkovits
- Maaswinkel
- Maaswinkel
- Mathern
- Maxwell
- O’Keefe
- Petrulis
- Pitkow
- Rabadan-Diehl
- Rabadan-Diehl
- S.R. Wersinger
- Sadowski
- Schmidt-Kastner
- Sekino
- Semsar
- Smith
- Stemmelin
- Tamamaki
- Vaccari
- Volpi
- W.S. Young
- Wersinger
- Wersinger
- Wersinger
- Yamashita
- Young
- Publication venue
- 'Elsevier BV'
- Publication date
- Field of study
Aggression and arginine vasopressin immunoreactivity regulation by androgen receptor and estrogen receptor alpha
- Author
- Publication venue
- 'Wiley'
- Publication date
- Field of study
TC-5619: An alpha7 neuronal nicotinic receptor-selective agonist that demonstrates efficacy in animal models of the positive and negative symptoms and cognitive dysfunction of schizophrenia
- Author
- A. Kucinski
- Acker
- Arnaiz-Cot
- Astles
- Avila
- Barnes
- Behrendt
- Belluardo
- Bencherif
- Bitner
- Boess
- Dani
- Davies
- DeLuca
- Dickinson
- Durany
- E.K. Stachowiak
- Ennaceur
- Fang
- Freedman
- Freedman
- G.J. Gatto
- Gaughran
- Geyer
- Hajos
- Harris
- Hashimoto
- Holden
- Hurst
- K.G. Jordan
- Kitagawa
- Klejbor
- Kwon
- Lena
- Leonard
- Levin
- Levin
- Lippiello
- Liu
- M. Bencherif
- M.K. Stachowiak
- Mansvelder
- Marino
- Meyer-Lindenberg
- Miller d.D.
- Mudo
- O’Neill
- P.M. Lippiello
- Papke
- Papke
- Pichat
- Quarta
- Quik
- R.A. Hesse
- R.L. Papke
- Romanelli
- S.R. Wersinger
- Sams-Dodd
- Schreiber
- Sharp
- Singhal
- Stachowiak
- Swerdlow
- T.A. Hauser
- Tietje
- Timmermann
- Van
- Waldo
- Wong
- Publication venue
- 'Elsevier BV'
- Publication date
- Field of study
Neural control of ejaculation
- Author
- A. Agmö
- A. Argiolas
- A. Argiolas
- A. Einspanier
- A.E. Ackerman
- A.M. Hughes
- B. Greco
- B.P. Setchell
- B.W. Robinson
- C. Bell
- C. Beyer
- C.M. Gruber
- C.S. Carter
- C.W. Mathes
- D. Fjellström
- D.H. Zermann
- D.J. Selvage
- D.M. Witt
- E. Houdeau
- E.A. Pehek
- E.A. Pehek
- E.S. Pescatori
- F. Giuliano
- F.A. Beach
- F.J. Gall
- G. Holstege
- G.S. Benson
- G.S. Brindley
- H. Kara
- H. Vandis
- H.D. Nicholson
- H.D. Nicholson
- H.D. Nicholson
- H.D. Nicholson
- H.S. Lee
- I. Gerendai
- I. Gerendai
- I. Gerendai
- I. Peterson
- J. Frayne
- J. Frayne
- J. Muzikant
- J. Sonksen
- J.A. Mcconnell
- J.E. Kihlström
- J.G. Veening
- J.H. Semans
- J.L. Contreras
- J.M. Cantor
- J.N. Langley
- J.N. Pennefather
- J.P. Signoret
- J.T. Clark
- J.T. Clark
- K. Honda
- K. Kihara
- K. Walch
- K.E. Mckenna
- K.E. Mckenna
- L. Marson
- L. Marson
- L. Marson
- L.L. Kwong
- L.M. Coolen
- M. Bodanszky
- M. Jevremovic
- M. Maggi
- M. Mas
- M. Yanagimoto
- M.D. Stoneham
- M.D. Waldinger
- M.L. Stefanick
- M.R. Murphy
- M.S. Carmichael
- N. Francois
- N.L. Brackett
- Olivier Rampin
- P. Melin
- P.D. Maclean
- P.J. Dziuk
- R. Arletti
- R. Ivell
- R. Orr
- R.A. Kuhn
- R.L. Lee
- R.P. Michael
- R.T.S. Worley
- S. Ahlenius
- S. Kollberg
- S. Lee
- S.C. Kolbeck
- S.R. Wersinger
- T.W. Knight
- T.W. Knight
- T.W. Knight
- U. Shankar
- V. Hillegaart
- W. Janig
- W. Patterson
- W.A. Truitt
- W.D. Steers
- W.E. Berndtson
- W.G. Dail
- Publication venue
- 'Springer Science and Business Media LLC'
- Publication date
- Field of study
The role of α-synuclein in neurodegeneration — An update
- Author
- A. Abeliovich
- A. Aguzzi
- A. Al-Wandi
- A. Athanassiadou
- A. Beilina
- A. Bellucci
- A. Bellucci
- A. DelleDonne
- A. Elbaz
- A. Esposito
- A. Ferree
- A. Goris
- A. Iwai
- A. Iwata
- A. Mamais
- A. Matsuo
- A. Ohrfelt
- A. Papadimitriou
- A. Pilsl
- A. Raj
- A. Sidhu
- A. Surguchov
- A. Velayati
- A. Weihofen
- A. Zimprich
- A.A. Cooper
- A.B. Knott
- A.B. Manning-Bog
- A.B. Singleton
- A.C. Ferreon
- A.E. Lang
- A.G. Kazantsev
- A.H. Schapira
- A.H. Schapira
- A.H. Tsang
- A.J. Whitworth
- A.J. Williams
- A.K. Berger
- A.K. Lutz
- A.L. Fink
- A.L. Mougenot
- A.M. Cuervo
- A.M. Cuervo
- A.P. Kozikowski
- A.R. Braun
- A.R. Esteves
- A.R. Esteves
- A.R. Esteves
- A.R. Saha
- A.R. Winslow
- A.R. Winslow
- A.S. Hillmer
- A.Y. Abramov
- B. Caughey
- B. Dehay
- B. Dehay
- B. Greten-Harrison
- B. Heeman
- B. Levine
- B. Meeus
- B. Mollenhauer
- B. Mollenhauer
- B. Mollenhauer
- B. Oettinghaus
- B. Spencer
- B. Thomas
- B. Winner
- B. Zheng
- B.C. Campbell
- B.D. Lee
- B.I. Giasson
- B.I. Giasson
- B.I. Giasson
- B.I. Giasson
- B.N. Dugger
- B.N. Dugger
- B.S. Gadad
- C. Alves Da Costa
- C. Ballard
- C. Bate
- C. Behrends
- C. Bianco Lo
- C. Cook
- C. Haass
- C. Hansen
- C. Henchcliffe
- C. Kaindlstorfer
- C. Kim
- C. Klein
- C. Lavedan
- C. Linnertz
- C. Paisan-Ruiz
- C. Richter-Landsberg
- C. Roodveldt
- C. Soto
- C. Wang
- C. Wersinger
- C. Wider
- C. Wider
- C. Yao
- C. Zhou
- C. Zhou
- C.B. Lucking
- C.B. Lucking
- C.C. Jao
- C.C. Jao
- C.H. Hawkes
- C.H. Williams-Gray
- C.L. Kragh
- C.M. Long-Smith
- C.M. Tanner
- C.R. Bodner
- C.R. Scherzer
- C.S. Chan
- C.W. Liu
- C.W. Olanow
- C.W. Olanow
- C.W. Olanow
- C.W. Shults
- C.Y. Chung
- C.Y. Shao
- D. Aarsland
- D. Aarsland
- D. Crosiers
- D. Ebrahimi-Fakhari
- D. Ebrahimi-Fakhari
- D. Glick
- D. Kaur
- D. Komander
- D. Narendra
- D. Narendra
- D. Olivares
- D. Sulzer
- D. Trabzuni
- D.A. Amer
- D.A. Scott
- D.D. Murphy
- D.E. Cabin
- D.F. Clayton
- D.G. Healy
- D.J. Moore
- D.J. Selkoe
- D.L. Fortin
- D.M. Kay
- D.M. Kay
- D.M. Maraganore
- D.M. Walsh
- D.P. Karpinar
- D.P. Narendra
- D.W. Dickson
- D.W. Dickson
- D.W. Dickson
- D.W. Miller
- E. Angot
- E. Bezard
- E. Colla
- E. Croisier
- E. Emmanouilidou
- E. Emmanouilidou
- E. Ghebremedhin
- E. Iseki
- E. Israeli
- E. Itakura
- E. Jo
- E. Jo
- E. Junn
- E. Kuusisto
- E. Lindersson
- E. Maries
- E. Masliah
- E. Masliah
- E. Sidransky
- E. Sofic
- E.A. Waxman
- E.A. Waxman
- E.A. Waxman
- E.A. Waxman
- E.B. Mukaetova-Ladinska
- E.C. Hirsch
- E.H. Norris
- E.J. Davison
- E.J. Lee
- E.K. Perry
- E.K. Tan
- E.M. Valente
- E.R. Foster
- F. Gillardon
- F. Kamp
- F. Kawakami
- F. Mori
- F. Mori
- F. Mori
- F. Mori
- F. Ros-Bernal
- F. Simunovic
- F.E. Reesink
- F.J. Lee
- F.L. Martin
- G. Alves
- G. Andringa
- G. Comellas
- G. Gallardo
- G. Halliday
- G. Halliday
- G. Liu
- G. Munch
- G. Munch
- G. Muntane
- G. Piccoli
- G. Santpere
- G. Taschenberger
- G.E. Dale
- G.E. Meredith
- G.E. Meredith
- G.G. Kovacs
- G.G. Kovacs
- G.J. Revuelta
- G.K. Tofaris
- G.K. Tofaris
- G.K. Wenning
- G.K. Wenning
- G.K. Wenning
- G.K. Wenning
- G.K. Wenning
- G.K. Wenning
- G.M. Halliday
- G.M. Halliday
- G.M. Halliday
- G.M. Halliday
- G.N. Demartino
- G.S. Withers
- H. Apaydin
- H. Arai
- H. Bernheimer
- H. Braak
- H. Braak
- H. Braak
- H. Braak
- H. Braak
- H. Braak
- H. Braak
- H. Bueler
- H. Bueler
- H. Fujishiro
- H. Fujishiro
- H. Fujiwara
- H. Ji
- H. Lou
- H. Matsumine
- H. Miake
- H. Mizuno
- H. Murata
- H. Prikrylova Vranova
- H. Qing
- H. Sato
- H. Shimada
- H. Shimura
- H. Snyder
- H. Stenmark
- H. Wang
- H. Yokoyama
- H.A. Lashuel
- H.C. Cheng
- H.C. Huang
- H.C. Pieper
- H.G. Lee
- H.I. Hurtig
- H.J. Lee
- H.J. Lee
- H.J. Lee
- H.J. Lee
- H.J. Lee
- H.J. Lee
- H.J. Lee
- H.L. Martin
- H.L. Wang
- H.M. Gao
- H.M. Gao
- H.R. Silva de
- H.Y. Qureshi
- I. Alafuzoff
- I. Benilova
- I. Dikiy
- I. Ferrer
- I. Gureviciene
- I. Martin
- I. McKeith
- I. Ron
- I. Yazawa
- I.E. Clark
- I.F. Mata
- I.G. McKeith
- I.G. McKeith
- I.S. Pienaar
- I.S. Pienaar
- J. Alegre-Abarrategui
- J. Burre
- J. Clarimon
- J. DePaolo
- J. Hardy
- J. Hardy
- J. Hardy
- J. Klucken
- J. Li
- J. Lotharius
- J. Madine
- J. Mitsui
- J. Neumann
- J. Park
- J. Rogers
- J. Simon-Sanchez
- J. Tong
- J. Wills
- J. Wills
- J. Xu
- J. Zaccai
- J. Zhou
- J.A. Fein
- J.A. Olzmann
- J.B. Leverenz
- J.B. Leverenz
- J.B. Leverenz
- J.C. Dachsel
- J.C. Kessler
- J.E. Abrahante
- J.E. Duda
- J.E. Duda
- J.E. Duda
- J.E. Duda
- J.E. Galvin
- J.E. Galvin
- J.G. Culvenor
- J.G. Greene
- J.H. Kordower
- J.H. Kordower
- J.H. Power
- J.H. Seo
- J.J. Gagne
- J.J. Hoozemans
- J.J. Hoozemans
- J.J. Tomlinson
- J.J. Zarranz
- J.L. Holton
- J.L. Webb
- J.L. Yang
- J.M. Shulman
- J.M. Souza
- J.M. Souza
- J.N. Guzman
- J.P. Anderson
- J.Q. Trojanowski
- J.Q. Trojanowski
- J.R. Cannon
- J.R. Mazzulli
- J.W. Langston
- J.Y. Li
- J.Y. Li
- J.Y. Park
- K. Arima
- K. Beyer
- K. Beyer
- K. Dawson-Scully
- K. Fujimi
- K. Haugarvoll
- K. Kasuga
- K. Koopman
- K. Kosaka
- K. Makioka
- K. Markopoulou
- K. Markopoulou
- K. Nakamura
- K. Nishioka
- K. Nuytemans
- K. Okamoto
- K. Ono
- K. Seidel
- K. Takahashi-Niki
- K. Tanaka
- K. Tanji
- K. Tanji
- K. Tanji
- K. Ubhi
- K. Ueda
- K. Ueda
- K. Vekrellis
- K. Vekrellis
- K. Wirdefeldt
- K. Yamaguchi
- K.A. Conway
- K.A. Conway
- K.A. Conway
- K.A. Jellinger
- K.A. Jellinger
- K.A. Jellinger
- K.A. Jellinger
- K.A. Jellinger
- K.A. Jellinger
- K.A. Jellinger
- K.A. Jellinger
- K.A. Jellinger
- K.A. Jellinger
- K.A. Jellinger
- K.A. Jellinger
- K.A. Jellinger
- K.A. Jellinger
- K.A. Lewis
- K.D. Cronin
- K.E. Larsen
- K.E. Paleologou
- K.E. Paleologou
- K.F. Winklhofer
- K.F. Winklhofer
- K.L. Double
- K.L. Double
- K.L. Emmer
- K.M. Danzer
- K.M. Danzer
- K.M. Danzer
- K.M. Doyle
- K.S. Hruska
- K.S. McNaught
- K.W. Lee
- L. Alvarez-Erviti
- L. Alvarez-Erviti
- L. Breydo
- L. Chen
- L. Devi
- L. Fellner
- L. Liu
- L. Maroteaux
- L. Morfis
- L. Parkkinen
- L. Parkkinen
- L. Parnetti
- L. Parnetti
- L. Parnetti
- L. Petrucelli
- L. Qian
- L. Reiniger
- L. Rojanathammanee
- L. Samaranch
- L. Silvestri
- L. Stefanis
- L. Stefanis
- L. Yavich
- L. Zecca
- L. Zhang
- L.A. Bindoff
- L.A. Hansen
- L.A. Volpicelli-Daley
- L.C. Serpell
- L.J. Hsu
- L.J. Martin
- L.J. Martin
- L.K. Clinton
- L.L. Venda
- L.M. Bekris
- L.N. Clark
- L.S. Forno
- M. Baba
- M. Bucciantini
- M. Buongiorno
- M. Colapinto
- M. Eller
- M. Eller
- M. Elstner
- M. Elstner
- M. Farrer
- M. Farrer
- M. Farrer
- M. Filosto
- M. Frasier
- M. Goedert
- M. Gu
- M. Hakimi
- M. Hashimoto
- M. Hashimoto
- M. Hashimoto
- M. Ikemura
- M. Inoue
- M. Karbowski
- M. Lebel
- M. Lee
- M. Martinez-Vicente
- M. Martinez-Vicente
- M. Mihajlovic
- M. Murgia
- M. Nagaishi
- M. Neumann
- M. Noguchi-Shinohara
- M. Okochi
- M. Oliveras Salvá
- M. Periquet
- M. Poulopoulos
- M. Riedel
- M. Selikhova
- M. Takahashi
- M. Tanaka
- M. Vila
- M. Xilouri
- M. Xilouri
- M. Xilouri
- M. Zhu
- M. Zhu
- M. Zhu
- M.A. Alim
- M.A. Alim
- M.A. Lynch-Day
- M.A. Nalls
- M.A. Nalls
- M.A. Piggott
- M.B. Aerts
- M.B. Aerts
- M.C. Bennett
- M.C. Bennett
- M.C. Chartier-Harlin
- M.C. Quilty
- M.E. Gegg
- M.E. Gegg
- M.E. Gotz
- M.E. Kalaitzakis
- M.E. Kalaitzakis
- M.F. Beal
- M.F. Chesselet
- M.G. Schlossmacher
- M.G. Schlossmacher
- M.G. Spillantini
- M.G. Spillantini
- M.G. Spillantini
- M.G. Spillantini
- M.G. Spillantini
- M.G. Tansey
- M.H. Polymeropoulos
- M.I. Papp
- M.J. Devine
- M.J. Devine
- M.J. Farrer
- M.J. Park
- M.J. Volles
- M.L. Kramer
- M.L. Kraybill
- M.M. Apetri
- M.M. Wilhelmus
- M.N. Gaugler
- M.N. Sabbagh
- M.R. Cookson
- M.R. Cookson
- M.R. Sierks
- M.S. Forman
- M.T. Lin
- M.W. Dodson
- M.Y. Shino
- N. Badiola
- N. Gosavi
- N. Lev
- N. Ninkina
- N. Ostrerova-Golts
- N. Pankratz
- N. Pankratz
- N. Seto-Salvia
- N. Seto-Salvia
- N. Stefanova
- N. Thayanidhi
- N.B. Cole
- N.M. Bonini
- N.P. Visanji
- N.T. Hettiarachchi
- N.Y. Zhang
- O. Chiba-Falek
- O. Chiba-Falek
- O. Corti
- O. Goker-Alpan
- O. Hornykiewicz
- O. Katsuse
- O. Pletnikova
- O.A. Buneeva
- O.A. Levy
- O.M. El-Agnaf
- O.M. El-Agnaf
- O.M. El-Agnaf
- O.S. Gorbatyuk
- P. Brundin
- P. Brundin
- P. Brundin
- P. Coskun
- P. Davies
- P. Desplats
- P. Garcia-Reitbock
- P. Jenner
- P. Krumova
- P. Lei
- P. Nagley
- P. Pals
- P.E. Spies
- P.G. Foulds
- P.G. Foulds
- P.G. Ince
- P.G. Ince
- P.H. Weinreb
- P.J. Jensen
- P.J. Kahle
- P.J. McLean
- P.J. Spira
- P.K. Auluck
- P.K. Mandal
- P.L. Lantos
- P.L. McGeer
- P.L. McGeer
- P.M. Antony
- P.T. Kotzbauer
- Q. Cai
- Q.L. Ma
- Q.X. Li
- R. Banerjee
- R. Betarbet
- R. Borghi
- R. Bussell Jr.
- R. Cappai
- R. Fernandez-Chacon
- R. Frigerio
- R. Jakes
- R. Kruger
- R. KrĂĽger
- R. Nistico
- R. Sharon
- R. Sharon
- R.A. Fredenburg
- R.A. Moore
- R.E. Burke
- R.G. Perez
- R.H. Kim
- R.H. Swerdlow
- R.J. Perrin
- R.J. Youle
- R.K. Dagda
- R.M. Canet-Aviles
- R.R. Thomas
- R.S. Chaves
- S. Anwar
- S. Arreguin
- S. Chandra
- S. Chandra
- S. DiMauro
- S. Emadi
- S. Engelborghs
- S. Engelender
- S. Fujioka
- S. Gandhi
- S. Geisler
- S. Gilman
- S. Gilman
- S. Greffard
- S. Greffard
- S. Higashi
- S. Jesse
- S. Lesage
- S. Nath
- S. Orimo
- S. Przedborski
- S. Saiki
- S. Saman
- S. Shaikh
- S. Stemberger
- S. Stemberger
- S. Totterdell
- S. Yu
- S.A. Austin
- S.B. Prusiner
- S.E. Winder-Rhodes
- S.F. Falsone
- S.J. Chinta
- S.J. Chung
- S.J. Lee
- S.J. Lee
- S.J. Tabrizi
- S.J. Wood
- S.K. Mak
- S.L. Senior
- S.M. Cardoso
- S.M. Goldman
- S.N. Gomperts
- S.P. Braithwaite
- S.R. Danielson
- S.W. Scholz
- T. Amo
- T. Bartels
- T. Duka
- T. Duka
- T. Gasser
- T. Gasser
- T. Haggerty
- T. Ishizawa
- T. Kanazawa
- T. Kanazawa
- T. Kaul
- T. Lashley
- T. Niki
- T. Nonaka
- T. Ozawa
- T. Ozawa
- T. Pan
- T. Taira
- T. Tokuda
- T. Tokuda
- T. Vogiatzi
- T. Yasuda
- T. Yokota
- T.C. Frank-Cannon
- T.D. Kim
- T.F. Outeiro
- T.G. Beach
- T.G. Beach
- T.J. Montine
- T.L. Yap
- T.M. Dawson
- T.M. Dawson
- V. Askanas
- V. Bogaerts
- V. Bonifati
- V. Choubey
- V. Cullen
- V. Cullen
- V. Deramecourt
- V. Dorval
- V. Licker
- V. Loeb
- V. Munoz-Soriano
- V. Narayanan
- V. Sossi
- V.L. Buchman
- V.M. Lee
- V.M. Nemani
- V.N. Uversky
- V.N. Uversky
- V.N. Uversky
- V.N. Uversky
- V.N. Uversky
- V.N. Uversky
- V.S. Laar Van
- W. Choi
- W. Hoyer
- W. Li
- W. Wang
- W. Westbroek
- W. Xie
- W. Zhang
- W. Zhang
- W. Zhou
- W.J. Schulz-Schaeffer
- W.J. Streit
- W.M. Caudle
- W.P. Gai
- W.P. Gai
- W.R. Galpern
- W.S. Davidson
- W.W. Smith
- W.W. Smith
- X. Chen
- X. Lin
- X. Liu
- X. Peng
- X. Wang
- Y. Arai
- Y. Chu
- Y. Compta
- Y. Compta
- Y. Fan
- Y. Huang
- Y. Li
- Y. Machiya
- Y. Miki
- Y. Peng
- Y. Saito
- Y. Shibasaki
- Y. Tanaka
- Y. Tong
- Y. Usami
- Y. Wang
- Y. Yang
- Y.H. Li
- Y.J. Song
- Y.M. Kim
- Y.S. Kim
- Y.S. Kim
- Y.S. Piao
- Z. Ahmed
- Z. Hong
- Z. Sultana
- Z. Yao
- Publication venue
- 'Walter de Gruyter GmbH'
- Publication date
- Field of study