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Science

Here you will find current news from PTB's diverse research activities as well as a short guide to PTB.

News

TerraQ

In dem neuen Sonderforschungsbereich „TerraQ – Relativistische und quanten-basierte Geodäsie“, der von der DFG zunächst bis 2024 mit rund 9,6 Mio Euro gefördert wird, werden rund 60 Wissenschaftler/ innen aus der Geodäsie und der Physik grundlegend neue Messtechniken, Sensoren und Analysemethoden für Messungen im Weltraum und auf der Erde entwickeln. Zu dem Forschungskonsortium unter Leitung der Leibniz Universität Hannover haben sich sieben Forschungseinrichtungen zusammengeschlossen, darunter die PTB. (Ansprechpartner: Christian Lisdat, 0531-592 4320, Opens local program for sending emailchristian.lisdat(at)ptb.de)

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Die Synchronisation der Uhren vernetzter Computer und digitaler Geräte ist grundlegende Voraussetzung für viele verteilte Anwendungen. Für das dabei häufig verwendete „Network Time Protocol“ (NTP), mit dem auch die PTB „ihre“ Zeit UTC(PTB) weitergibt, hat das Standardisierungsgremium IETF unter Beteiligung der PTB einen Standard entwickelt, mit dem die Identität des Zeitservers sowie die Integrität und Authentizität der ausgetauschten Zeitinformation sichergestellt werden können. Das „Network Time Security (NTS) Protokoll“ ist bereits in verschiedene NTP-Anwendungen implementiert worden. NTS-fähiger NTP-Server der PTB: ptbnts1.ptb.de. (Ansprechpartner: Dieter Sibold, 0531-592 8462, Opens local program for sending emaildieter.sibold(at)ptb.de)

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Contact with colleagues

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Are you seeking contact with PTB scientists? Then in the chapter Opens internal link in current windowStructure & Divisions you can look up who is working in a suitable field of activity.

Research topics

The SI with its 7 base units
In the new International System of Units (SI), seven fundamental constants are determined as defining reference values. (Diagram: PTB)

An overview of the diverse research landscape of PTB as well as some particularly highlighted topics (for example, PTB research surrounding the International System of Units SI) you will find in the chapter Opens internal link in current windowResearch & Development). In addition, it is always worthwhile to look at the Opens internal link in current windowmain Homepage as well as the homepages of the respective Opens internal link in current windowDivisions. How reputable PTB is among researchers you can see at Opens internal link in current windowPTB in the World of Research. Furthermore, PTB has been – specifically its R&D component, in particular – evaluated repeatedly with excellent results. You can download the respective documents (which are in German only) in the right column as a pdf file.

Scientific publications

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In the database Opens internal link in current windowPTB-Publica you can search for scientific publications by PTB staff members. Furthermore, some divisions maintain their own overview lists on the publications of their staff members. These you will find via the respective Opens internal link in current windowhomepages of the divisions.

Research collaborations

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The many collaborations of the individual PTB divisions you will find in the Annual Report under the column Opens internal link in current windowFrom the Divisions. International collaborations of PTB, e.g. with other metrology institutes within the framework of the European Metrology Research Programme EMRP/EMPIR, you will find at Opens internal link in current windowInternational Affairs. Some current EMRP dates you will find in the current issue of Opens internal link in current windowPTB-News.

What PTB offers doctoral candidates

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PTB's broad range of offers for students, doctoral candidates, and also extending beyond the doctorate degree you will find in the chapter Opens internal link in current windowAbout Us & Careers.